data/qcsrc/server/bots.qc

   1 .float aistatus;
   2 float AI_STATUS_ROAMING                 = 1;    // Bot is just crawling the map. No enemies at sight
   3 float AI_STATUS_ATTACKING               = 2;    // There are enemies at sight
   4 float AI_STATUS_RUNNING                 = 4;    // Bot is bunny hopping
   5 float AI_STATUS_DANGER_AHEAD    = 8;    // There is lava/slime/trigger_hurt ahead
   6 float AI_STATUS_OUT_JUMPPAD             = 16;   // Trying to get out of a "vertical" jump pad
   7 float AI_STATUS_OUT_WATER               = 32;   // Trying to get out of water
   8
   9 // utilities for path debugging
  10 #ifdef DEBUG_TRACEWALK
  11
  12 float DEBUG_NODE_SUCCESS        = 1;
  13 float DEBUG_NODE_WARNING        = 2;
  14 float DEBUG_NODE_FAIL           = 3;
  15
  16 vector debuglastnode;
  17
  18 void debugresetnodes()
  19 {
  20         debuglastnode = '0 0 0';
  21 }
  22
  23 void debugnode(vector node)
  24 {
  25         if not(self.classname=="player")
  26                 return;
  27
  28         if(debuglastnode=='0 0 0')
  29         {
  30                 debuglastnode = node;
  31                 return;
  32         }
  33
  34         te_lightning2(world, node, debuglastnode);
  35         debuglastnode = node;
  36 }
  37
  38 void debugnodestatus(vector position, float status)
  39 {
  40         vector color;
  41
  42         switch (status)
  43         {
  44                 case DEBUG_NODE_SUCCESS:
  45                         color = '0 15 0';
  46                         break;
  47                 case DEBUG_NODE_WARNING:
  48                         color = '15 15 0';
  49                         break;
  50                 case DEBUG_NODE_FAIL:
  51                         color = '15 0 0';
  52                         break;
  53                 default:
  54                         color = '15 15 15';
  55         }
  56
  57         te_customflash(position, 40,  2, color);
  58 }
  59
  60 #endif
  61
  62 // rough simulation of walking from one point to another to test if a path
  63 // can be traveled, used for waypoint linking and havocbot
  64
  65 vector stepheightvec;
  66 float navigation_testtracewalk;
  67 float tracewalk(entity e, vector start, vector m1, vector m2, vector end, float movemode)
  68 {
  69         local vector org;
  70         local vector move;
  71         local vector dir;
  72         local float dist;
  73         local float totaldist;
  74         local float stepdist;
  75         local float yaw;
  76         local float ignorehazards;
  77         local float swimming;
  78
  79         #ifdef DEBUG_TRACEWALK
  80                 debugresetnodes();
  81                 debugnode(start);
  82         #endif
  83
  84         move = end - start;
  85         move_z = 0;
  86         org = start;
  87         dist = totaldist = vlen(move);
  88         dir = normalize(move);
  89         stepdist = 32;
  90         ignorehazards = FALSE;
  91
  92         // Analyze starting point
  93         traceline(start, start, MOVE_NORMAL, e);
  94         if (trace_dpstartcontents & (DPCONTENTS_SLIME | DPCONTENTS_LAVA))
  95                 ignorehazards = TRUE;
  96         else
  97         {
  98                 traceline( start, start + '0 0 -65536', MOVE_NORMAL, e);
  99                 if (trace_dpstartcontents & (DPCONTENTS_SLIME | DPCONTENTS_LAVA))
 100                 {
 101                         ignorehazards = TRUE;
 102                         swimming = TRUE;
 103                 }
 104         }
 105         tracebox(start, m1, m2, start, MOVE_NOMONSTERS, e);
 106         if (trace_startsolid)
 107         {
 108                 // Bad start
 109                 #ifdef DEBUG_TRACEWALK
 110                         debugnodestatus(start, DEBUG_NODE_FAIL);
 111                 #endif
 112                 return FALSE;
 113         }
 114
 115         // Movement loop
 116         yaw = vectoyaw(move);
 117         move = end - org;
 118         for (;;)
 119         {
 120                 if (boxesoverlap(end, end, org + m1 + '-1 -1 -1', org + m2 + '1 1 1'))
 121                 {
 122                         // Succeeded
 123                         #ifdef DEBUG_TRACEWALK
 124                                 debugnodestatus(org, DEBUG_NODE_SUCCESS);
 125                         #endif
 126                         return TRUE;
 127                 }
 128                 #ifdef DEBUG_TRACEWALK
 129                         debugnode(org);
 130                 #endif
 131
 132                 if (dist <= 0)
 133                         break;
 134                 if (stepdist > dist)
 135                         stepdist = dist;
 136                 dist = dist - stepdist;
 137                 traceline(org, org, MOVE_NORMAL, e);
 138                 if (!ignorehazards)
 139                 {
 140                         if (trace_dpstartcontents & (DPCONTENTS_SLIME | DPCONTENTS_LAVA))
 141                         {
 142                                 // hazards blocking path
 143                                 #ifdef DEBUG_TRACEWALK
 144                                         debugnodestatus(org, DEBUG_NODE_FAIL);
 145                                 #endif
 146                                 return FALSE;
 147                         }
 148                 }
 149                 if (trace_dpstartcontents & DPCONTENTS_LIQUIDSMASK)
 150                 {
 151                         move = normalize(end - org);
 152                         tracebox(org, m1, m2, org + move * stepdist, movemode, e);
 153
 154                         #ifdef DEBUG_TRACEWALK
 155                                 debugnode(trace_endpos);
 156                         #endif
 157
 158                         if (trace_fraction < 1)
 159                         {
 160                                 swimming = TRUE;
 161                                 org = trace_endpos - normalize(org - trace_endpos) * stepdist;
 162                                 for(; org_z < end_z + self.maxs_z; org_z += stepdist)
 163                                 {
 164                                                 #ifdef DEBUG_TRACEWALK
 165                                                         debugnode(org);
 166                                                 #endif
 167                                         if(pointcontents(org) == CONTENT_EMPTY)
 168                                                         break;
 169                                 }
 170
 171                                 if not (pointcontents(org + '0 0 1') == CONTENT_EMPTY)
 172                                 {
 173                                         #ifdef DEBUG_TRACEWALK
 174                                                 debugnodestatus(org, DEBUG_NODE_FAIL);
 175                                         #endif
 176                                         return FALSE;
 177                                 }
 178                                 continue;
 179
 180                         }
 181                         else
 182                                 org = trace_endpos;
 183                 }
 184                 else
 185                 {
 186                         move = dir * stepdist + org;
 187                         tracebox(org, m1, m2, move, movemode, e);
 188
 189                         #ifdef DEBUG_TRACEWALK
 190                                 debugnode(trace_endpos);
 191                         #endif
 192
 193                         // hit something
 194                         if (trace_fraction < 1)
 195                         {
 196                                 // check if we can walk over this obstacle
 197                                 tracebox(org + stepheightvec, m1, m2, move + stepheightvec, movemode, e);
 198                                 if (trace_fraction < 1 || trace_startsolid)
 199                                 {
 200                                         #ifdef DEBUG_TRACEWALK
 201                                                 debugnodestatus(trace_endpos, DEBUG_NODE_WARNING);
 202                                         #endif
 203
 204                                         // check for doors
 205                                         traceline( org, move, movemode, e);
 206                                         if ( trace_ent.classname == "door_rotating" || trace_ent.classname == "door")
 207                                         {
 208                                                 local vector nextmove;
 209                                                 move = trace_endpos;
 210                                                 while(trace_ent.classname == "door_rotating" || trace_ent.classname == "door")
 211                                                 {
 212                                                         nextmove = move + (dir * stepdist);
 213                                                         traceline( move, nextmove, movemode, e);
 214                                                         move = nextmove;
 215                                                 }
 216                                         }
 217                                         else
 218                                         {
 219                                                 #ifdef DEBUG_TRACEWALK
 220                                                         debugnodestatus(trace_endpos, DEBUG_NODE_FAIL);
 221                                                 #endif
 222                                                 return FALSE; // failed
 223                                         }
 224                                 }
 225                                 else
 226                                         move = trace_endpos;
 227                         }
 228                         else
 229                                 move = trace_endpos;
 230
 231                         // trace down from stepheight as far as possible and move there,
 232                         // if this starts in solid we try again without the stepup, and
 233                         // if that also fails we assume it is a wall
 234                         // (this is the same logic as the Quake walkmove function used)
 235                         tracebox(move, m1, m2, move + '0 0 -65536', movemode, e);
 236
 237                         // moved successfully
 238                         if(swimming)
 239                         {
 240                                 local float c;
 241                                 c = pointcontents(org + '0 0 1');
 242                                 if not(c == CONTENT_WATER || c == CONTENT_LAVA || c == CONTENT_SLIME)
 243                                         swimming = FALSE;
 244                                 else
 245                                         continue;
 246                         }
 247
 248                         org = trace_endpos;
 249                 }
 250         }
 251
 252         // moved but didn't arrive at the intended destination
 253         #ifdef DEBUG_TRACEWALK
 254                 debugnodestatus(org, DEBUG_NODE_FAIL);
 255         #endif
 256
 257         return FALSE;
 258 };
 259
 260
 261 // grenade tracing to decide the best pitch to fire at
 262
 263 entity tracetossent;
 264 entity tracetossfaketarget;
 265
 266 // traces multiple trajectories to find one that will impact the target
 267 // 'end' vector is the place it aims for,
 268 // returns TRUE only if it hit targ (don't target non-solid entities)
 269 vector findtrajectory_velocity;
 270 float findtrajectorywithleading(vector org, vector m1, vector m2, entity targ, float shotspeed, float shotspeedupward, float maxtime, float shotdelay, entity ignore)
 271 {
 272         local float c, savesolid, shottime;
 273         local vector dir, end, v;
 274         if (shotspeed < 1)
 275                 return FALSE; // could cause division by zero if calculated
 276         if (targ.solid < SOLID_BBOX) // SOLID_NOT and SOLID_TRIGGER
 277                 return FALSE; // could never hit it
 278         if (!tracetossent)
 279                 tracetossent = spawn();
 280         tracetossent.owner = ignore;
 281         setsize(tracetossent, m1, m2);
 282         savesolid = targ.solid;
 283         targ.solid = SOLID_NOT;
 284         shottime = ((vlen(targ.origin - org) / shotspeed) + shotdelay);
 285         v = targ.velocity * shottime + targ.origin;
 286         tracebox(targ.origin, targ.mins, targ.maxs, v, FALSE, targ);
 287         v = trace_endpos;
 288         end = v + (targ.mins + targ.maxs) * 0.5;
 289         if ((vlen(end - org) / shotspeed + 0.2) > maxtime)
 290         {
 291                 // out of range
 292                 targ.solid = savesolid;
 293                 return FALSE;
 294         }
 295
 296         if (!tracetossfaketarget)
 297                 tracetossfaketarget = spawn();
 298         tracetossfaketarget.solid = savesolid;
 299         tracetossfaketarget.movetype = targ.movetype;
 300         setmodel(tracetossfaketarget, targ.model); // no low precision
 301         tracetossfaketarget.model = targ.model;
 302         tracetossfaketarget.modelindex = targ.modelindex;
 303         setsize(tracetossfaketarget, targ.mins, targ.maxs);
 304         setorigin(tracetossfaketarget, v);
 305
 306         c = 0;
 307         dir = normalize(end - org);
 308         while (c < 10) // 10 traces
 309         {
 310                 setorigin(tracetossent, org); // reset
 311                 tracetossent.velocity = findtrajectory_velocity = normalize(dir) * shotspeed + shotspeedupward * '0 0 1';
 312                 tracetoss(tracetossent, ignore); // love builtin functions...
 313                 if (trace_ent == tracetossfaketarget) // done
 314                 {
 315                         targ.solid = savesolid;
 316
 317                         // make it disappear
 318                         tracetossfaketarget.solid = SOLID_NOT;
 319                         tracetossfaketarget.movetype = MOVETYPE_NONE;
 320                         tracetossfaketarget.model = "";
 321                         tracetossfaketarget.modelindex = 0;
 322                         // relink to remove it from physics considerations
 323                         setorigin(tracetossfaketarget, v);
 324
 325                         return TRUE;
 326                 }
 327                 dir_z = dir_z + 0.1; // aim up a little more
 328                 c = c + 1;
 329         }
 330         targ.solid = savesolid;
 331
 332         // make it disappear
 333         tracetossfaketarget.solid = SOLID_NOT;
 334         tracetossfaketarget.movetype = MOVETYPE_NONE;
 335         tracetossfaketarget.model = "";
 336         tracetossfaketarget.modelindex = 0;
 337         // relink to remove it from physics considerations
 338         setorigin(tracetossfaketarget, v);
 339
 340         // leave a valid one even if it won't reach
 341         findtrajectory_velocity = normalize(end - org) * shotspeed + shotspeedupward * '0 0 1';
 342         return FALSE;
 343 };
 344
 345
 346
 347 // lag simulation
 348
 349 .void(float t, float f1, float f2, entity e1, vector v1, vector v2, vector v3, vector v4) lag_func;
 350
 351 // upto 5 queued messages
 352 .float lag1_time;
 353 .float lag1_float1;
 354 .float lag1_float2;
 355 .entity lag1_entity1;
 356 .vector lag1_vec1;
 357 .vector lag1_vec2;
 358 .vector lag1_vec3;
 359 .vector lag1_vec4;
 360
 361 .float lag2_time;
 362 .float lag2_float1;
 363 .float lag2_float2;
 364 .entity lag2_entity1;
 365 .vector lag2_vec1;
 366 .vector lag2_vec2;
 367 .vector lag2_vec3;
 368 .vector lag2_vec4;
 369
 370 .float lag3_time;
 371 .float lag3_float1;
 372 .float lag3_float2;
 373 .entity lag3_entity1;
 374 .vector lag3_vec1;
 375 .vector lag3_vec2;
 376 .vector lag3_vec3;
 377 .vector lag3_vec4;
 378
 379 .float lag4_time;
 380 .float lag4_float1;
 381 .float lag4_float2;
 382 .entity lag4_entity1;
 383 .vector lag4_vec1;
 384 .vector lag4_vec2;
 385 .vector lag4_vec3;
 386 .vector lag4_vec4;
 387
 388 .float lag5_time;
 389 .float lag5_float1;
 390 .float lag5_float2;
 391 .entity lag5_entity1;
 392 .vector lag5_vec1;
 393 .vector lag5_vec2;
 394 .vector lag5_vec3;
 395 .vector lag5_vec4;
 396
 397 void lag_update()
 398 {
 399         if (self.lag1_time) if (time > self.lag1_time) {self.lag_func(self.lag1_time, self.lag1_float1, self.lag1_float2, self.lag1_entity1, self.lag1_vec1, self.lag1_vec2, self.lag1_vec3, self.lag1_vec4);self.lag1_time = 0;}
 400         if (self.lag2_time) if (time > self.lag2_time) {self.lag_func(self.lag2_time, self.lag2_float1, self.lag2_float2, self.lag2_entity1, self.lag2_vec1, self.lag2_vec2, self.lag2_vec3, self.lag2_vec4);self.lag2_time = 0;}
 401         if (self.lag3_time) if (time > self.lag3_time) {self.lag_func(self.lag3_time, self.lag3_float1, self.lag3_float2, self.lag3_entity1, self.lag3_vec1, self.lag3_vec2, self.lag3_vec3, self.lag3_vec4);self.lag3_time = 0;}
 402         if (self.lag4_time) if (time > self.lag4_time) {self.lag_func(self.lag4_time, self.lag4_float1, self.lag4_float2, self.lag4_entity1, self.lag4_vec1, self.lag4_vec2, self.lag4_vec3, self.lag4_vec4);self.lag4_time = 0;}
 403         if (self.lag5_time) if (time > self.lag5_time) {self.lag_func(self.lag5_time, self.lag5_float1, self.lag5_float2, self.lag5_entity1, self.lag5_vec1, self.lag5_vec2, self.lag5_vec3, self.lag5_vec4);self.lag5_time = 0;}
 404 };
 405
 406 float lag_additem(float t, float f1, float f2, entity e1, vector v1, vector v2, vector v3, vector v4)
 407 {
 408         if (self.lag1_time == 0) {self.lag1_time = t;self.lag1_float1 = f1;self.lag1_float2 = f2;self.lag1_entity1 = e1;self.lag1_vec1 = v1;self.lag1_vec2 = v2;self.lag1_vec3 = v3;self.lag1_vec4 = v4;return TRUE;}
 409         if (self.lag2_time == 0) {self.lag2_time = t;self.lag2_float1 = f1;self.lag2_float2 = f2;self.lag2_entity1 = e1;self.lag2_vec1 = v1;self.lag2_vec2 = v2;self.lag2_vec3 = v3;self.lag2_vec4 = v4;return TRUE;}
 410         if (self.lag3_time == 0) {self.lag3_time = t;self.lag3_float1 = f1;self.lag3_float2 = f2;self.lag3_entity1 = e1;self.lag3_vec1 = v1;self.lag3_vec2 = v2;self.lag3_vec3 = v3;self.lag3_vec4 = v4;return TRUE;}
 411         if (self.lag4_time == 0) {self.lag4_time = t;self.lag4_float1 = f1;self.lag4_float2 = f2;self.lag4_entity1 = e1;self.lag4_vec1 = v1;self.lag4_vec2 = v2;self.lag4_vec3 = v3;self.lag4_vec4 = v4;return TRUE;}
 412         if (self.lag5_time == 0) {self.lag5_time = t;self.lag5_float1 = f1;self.lag5_float2 = f2;self.lag5_entity1 = e1;self.lag5_vec1 = v1;self.lag5_vec2 = v2;self.lag5_vec3 = v3;self.lag5_vec4 = v4;return TRUE;}
 413         // no room for it (what is the best thing to do here??)
 414         return FALSE;
 415 };
 416
 417
 418 // Random skill system
 419 .float bot_thinkskill;
 420 .float bot_mouseskill;
 421 .float bot_predictionskill;
 422 .float bot_offsetskill;
 423
 424
 425 // spawnfunc_waypoint navigation system
 426
 427 // itemscore = (howmuchmoreIwant / howmuchIcanwant) / itemdistance
 428 // waypointscore = 0.7 / waypointdistance
 429
 430 .entity wp00, wp01, wp02, wp03, wp04, wp05, wp06, wp07;
 431 .entity wp08, wp09, wp10, wp11, wp12, wp13, wp14, wp15;
 432 .entity wp16, wp17, wp18, wp19, wp20, wp21, wp22, wp23, wp24, wp25, wp26, wp27, wp28, wp29, wp30, wp31;
 433 .float wp00mincost, wp01mincost, wp02mincost, wp03mincost, wp04mincost, wp05mincost, wp06mincost, wp07mincost;
 434 .float wp08mincost, wp09mincost, wp10mincost, wp11mincost, wp12mincost, wp13mincost, wp14mincost, wp15mincost;
 435 .float wp16mincost, wp17mincost, wp18mincost, wp19mincost, wp20mincost, wp21mincost, wp22mincost, wp23mincost, wp24mincost, wp25mincost, wp26mincost, wp27mincost, wp28mincost, wp29mincost, wp30mincost, wp31mincost;
 436 .float wpfire, wpcost, wpconsidered;
 437 .float wpisbox;
 438 .float wpflags;
 439 .vector wpnearestpoint;
 440 .float waypoint_id;
 441 float waypoint_counter;
 442
 443 // stack of current goals (the last one of which may be an item or other
 444 // desirable object, the rest are typically waypoints to reach it)
 445 .entity goalcurrent, goalstack01, goalstack02, goalstack03;
 446 .entity goalstack04, goalstack05, goalstack06, goalstack07;
 447 .entity goalstack08, goalstack09, goalstack10, goalstack11;
 448 .entity goalstack12, goalstack13, goalstack14, goalstack15;
 449 .entity goalstack16, goalstack17, goalstack18, goalstack19;
 450 .entity goalstack20, goalstack21, goalstack22, goalstack23;
 451 .entity goalstack24, goalstack25, goalstack26, goalstack27;
 452 .entity goalstack28, goalstack29, goalstack30, goalstack31;
 453
 454 .entity nearestwaypoint;
 455 .float nearestwaypointtimeout;
 456
 457 // used during navigation_goalrating_begin/end sessions
 458 float navigation_bestrating;
 459 entity navigation_bestgoal;
 460 entity navigation_alternativegoal;
 461 .entity alternativegoal;
 462
 463
 464
 465
 466 /////////////////////////////////////////////////////////////////////////////
 467 // spawnfunc_waypoint management
 468 /////////////////////////////////////////////////////////////////////////////
 469
 470 // waypoints with this flag are not saved, they are automatically generated
 471 // waypoints like jump pads, teleporters, and items
 472 float WAYPOINTFLAG_GENERATED = 8388608;
 473 float WAYPOINTFLAG_ITEM = 4194304;
 474 float WAYPOINTFLAG_TELEPORT = 2097152;
 475 float WAYPOINTFLAG_NORELINK = 1048576;
 476
 477 // add a new link to the spawnfunc_waypoint, replacing the furthest link it already has
 478 void waypoint_addlink(entity from, entity to)
 479 {
 480         local float c;
 481
 482         if (from == to)
 483                 return;
 484         if (from.wpflags & WAYPOINTFLAG_NORELINK)
 485                 return;
 486
 487         if (from.wp00 == to) return;if (from.wp01 == to) return;if (from.wp02 == to) return;if (from.wp03 == to) return;
 488         if (from.wp04 == to) return;if (from.wp05 == to) return;if (from.wp06 == to) return;if (from.wp07 == to) return;
 489         if (from.wp08 == to) return;if (from.wp09 == to) return;if (from.wp10 == to) return;if (from.wp11 == to) return;
 490         if (from.wp12 == to) return;if (from.wp13 == to) return;if (from.wp14 == to) return;if (from.wp15 == to) return;
 491         if (from.wp16 == to) return;if (from.wp17 == to) return;if (from.wp18 == to) return;if (from.wp19 == to) return;
 492         if (from.wp20 == to) return;if (from.wp21 == to) return;if (from.wp22 == to) return;if (from.wp23 == to) return;
 493         if (from.wp24 == to) return;if (from.wp25 == to) return;if (from.wp26 == to) return;if (from.wp27 == to) return;
 494         if (from.wp28 == to) return;if (from.wp29 == to) return;if (from.wp30 == to) return;if (from.wp31 == to) return;
 495
 496         if (to.wpisbox || from.wpisbox)
 497         {
 498                 // if either is a box we have to find the nearest points on them to
 499                 // calculate the distance properly
 500                 local vector v1, v2, m1, m2;
 501                 v1 = from.origin;
 502                 m1 = to.absmin;
 503                 m2 = to.absmax;
 504                 v1_x = bound(m1_x, v1_x, m2_x);
 505                 v1_y = bound(m1_y, v1_y, m2_y);
 506                 v1_z = bound(m1_z, v1_z, m2_z);
 507                 v2 = to.origin;
 508                 m1 = from.absmin;
 509                 m2 = from.absmax;
 510                 v2_x = bound(m1_x, v2_x, m2_x);
 511                 v2_y = bound(m1_y, v2_y, m2_y);
 512                 v2_z = bound(m1_z, v2_z, m2_z);
 513                 v2 = to.origin;
 514                 c = vlen(v2 - v1);
 515         }
 516         else
 517                 c = vlen(to.origin - from.origin);
 518
 519         if (from.wp31mincost < c) return;
 520         if (from.wp30mincost < c) {from.wp31 = to;from.wp31mincost = c;return;} from.wp31 = from.wp30;from.wp31mincost = from.wp30mincost;
 521         if (from.wp29mincost < c) {from.wp30 = to;from.wp30mincost = c;return;} from.wp30 = from.wp29;from.wp30mincost = from.wp29mincost;
 522         if (from.wp28mincost < c) {from.wp29 = to;from.wp29mincost = c;return;} from.wp29 = from.wp28;from.wp29mincost = from.wp28mincost;
 523         if (from.wp27mincost < c) {from.wp28 = to;from.wp28mincost = c;return;} from.wp28 = from.wp27;from.wp28mincost = from.wp27mincost;
 524         if (from.wp26mincost < c) {from.wp27 = to;from.wp27mincost = c;return;} from.wp27 = from.wp26;from.wp27mincost = from.wp26mincost;
 525         if (from.wp25mincost < c) {from.wp26 = to;from.wp26mincost = c;return;} from.wp26 = from.wp25;from.wp26mincost = from.wp25mincost;
 526         if (from.wp24mincost < c) {from.wp25 = to;from.wp25mincost = c;return;} from.wp25 = from.wp24;from.wp25mincost = from.wp24mincost;
 527         if (from.wp23mincost < c) {from.wp24 = to;from.wp24mincost = c;return;} from.wp24 = from.wp23;from.wp24mincost = from.wp23mincost;
 528         if (from.wp22mincost < c) {from.wp23 = to;from.wp23mincost = c;return;} from.wp23 = from.wp22;from.wp23mincost = from.wp22mincost;
 529         if (from.wp21mincost < c) {from.wp22 = to;from.wp22mincost = c;return;} from.wp22 = from.wp21;from.wp22mincost = from.wp21mincost;
 530         if (from.wp20mincost < c) {from.wp21 = to;from.wp21mincost = c;return;} from.wp21 = from.wp20;from.wp21mincost = from.wp20mincost;
 531         if (from.wp19mincost < c) {from.wp20 = to;from.wp20mincost = c;return;} from.wp20 = from.wp19;from.wp20mincost = from.wp19mincost;
 532         if (from.wp18mincost < c) {from.wp19 = to;from.wp19mincost = c;return;} from.wp19 = from.wp18;from.wp19mincost = from.wp18mincost;
 533         if (from.wp17mincost < c) {from.wp18 = to;from.wp18mincost = c;return;} from.wp18 = from.wp17;from.wp18mincost = from.wp17mincost;
 534         if (from.wp16mincost < c) {from.wp17 = to;from.wp17mincost = c;return;} from.wp17 = from.wp16;from.wp17mincost = from.wp16mincost;
 535         if (from.wp15mincost < c) {from.wp16 = to;from.wp16mincost = c;return;} from.wp16 = from.wp15;from.wp16mincost = from.wp15mincost;
 536         if (from.wp14mincost < c) {from.wp15 = to;from.wp15mincost = c;return;} from.wp15 = from.wp14;from.wp15mincost = from.wp14mincost;
 537         if (from.wp13mincost < c) {from.wp14 = to;from.wp14mincost = c;return;} from.wp14 = from.wp13;from.wp14mincost = from.wp13mincost;
 538         if (from.wp12mincost < c) {from.wp13 = to;from.wp13mincost = c;return;} from.wp13 = from.wp12;from.wp13mincost = from.wp12mincost;
 539         if (from.wp11mincost < c) {from.wp12 = to;from.wp12mincost = c;return;} from.wp12 = from.wp11;from.wp12mincost = from.wp11mincost;
 540         if (from.wp10mincost < c) {from.wp11 = to;from.wp11mincost = c;return;} from.wp11 = from.wp10;from.wp11mincost = from.wp10mincost;
 541         if (from.wp09mincost < c) {from.wp10 = to;from.wp10mincost = c;return;} from.wp10 = from.wp09;from.wp10mincost = from.wp09mincost;
 542         if (from.wp08mincost < c) {from.wp09 = to;from.wp09mincost = c;return;} from.wp09 = from.wp08;from.wp09mincost = from.wp08mincost;
 543         if (from.wp07mincost < c) {from.wp08 = to;from.wp08mincost = c;return;} from.wp08 = from.wp07;from.wp08mincost = from.wp07mincost;
 544         if (from.wp06mincost < c) {from.wp07 = to;from.wp07mincost = c;return;} from.wp07 = from.wp06;from.wp07mincost = from.wp06mincost;
 545         if (from.wp05mincost < c) {from.wp06 = to;from.wp06mincost = c;return;} from.wp06 = from.wp05;from.wp06mincost = from.wp05mincost;
 546         if (from.wp04mincost < c) {from.wp05 = to;from.wp05mincost = c;return;} from.wp05 = from.wp04;from.wp05mincost = from.wp04mincost;
 547         if (from.wp03mincost < c) {from.wp04 = to;from.wp04mincost = c;return;} from.wp04 = from.wp03;from.wp04mincost = from.wp03mincost;
 548         if (from.wp02mincost < c) {from.wp03 = to;from.wp03mincost = c;return;} from.wp03 = from.wp02;from.wp03mincost = from.wp02mincost;
 549         if (from.wp01mincost < c) {from.wp02 = to;from.wp02mincost = c;return;} from.wp02 = from.wp01;from.wp02mincost = from.wp01mincost;
 550         if (from.wp00mincost < c) {from.wp01 = to;from.wp01mincost = c;return;} from.wp01 = from.wp00;from.wp01mincost = from.wp00mincost;
 551         from.wp00 = to;from.wp00mincost = c;return;
 552 };
 553
 554 // fields you can query using prvm_global server to get some statistics about waypoint linking culling
 555 float relink_total, relink_walkculled, relink_pvsculled, relink_lengthculled;
 556
 557 // relink this spawnfunc_waypoint
 558 // (precompile a list of all reachable waypoints from this spawnfunc_waypoint)
 559 // (SLOW!)
 560 void waypoint_think()
 561 {
 562         local entity e;
 563         local vector sv, sm1, sm2, ev, em1, em2, dv;
 564         //dprint("waypoint_think wpisbox = ", ftos(self.wpisbox), "\n");
 565         sm1 = self.origin + self.mins;
 566         sm2 = self.origin + self.maxs;
 567         stepheightvec = cvar("sv_stepheight") * '0 0 1';
 568         for(e = world; (e = find(e, classname, "waypoint")); )
 569         {
 570                 if (boxesoverlap(self.absmin, self.absmax, e.absmin, e.absmax))
 571                 {
 572                         waypoint_addlink(self, e);
 573                         waypoint_addlink(e, self);
 574                 }
 575                 else
 576                 {
 577                         ++relink_total;
 578                         if(!checkpvs(self.origin, e))
 579                         {
 580                                 ++relink_pvsculled;
 581                                 continue;
 582                         }
 583                         sv = e.origin;
 584                         sv_x = bound(sm1_x, sv_x, sm2_x);
 585                         sv_y = bound(sm1_y, sv_y, sm2_y);
 586                         sv_z = bound(sm1_z, sv_z, sm2_z);
 587                         ev = self.origin;
 588                         em1 = e.origin + e.mins;
 589                         em2 = e.origin + e.maxs;
 590                         ev_x = bound(em1_x, ev_x, em2_x);
 591                         ev_y = bound(em1_y, ev_y, em2_y);
 592                         ev_z = bound(em1_z, ev_z, em2_z);
 593                         dv = ev - sv;
 594                         dv_z = 0;
 595                         if (vlen(dv) >= 1050) // max search distance in XY
 596                         {
 597                                 ++relink_lengthculled;
 598                                 continue;
 599                         }
 600                         navigation_testtracewalk = 0;
 601                         if (!self.wpisbox)
 602                         {
 603                                 tracebox(sv - PL_MIN_z * '0 0 1', PL_MIN, PL_MAX, sv, FALSE, self);
 604                                 if (!trace_startsolid)
 605                                 {
 606                                         //dprint("sv deviation", vtos(trace_endpos - sv), "\n");
 607                                         sv = trace_endpos + '0 0 1';
 608                                 }
 609                         }
 610                         if (!e.wpisbox)
 611                         {
 612                                 tracebox(ev - PL_MIN_z * '0 0 1', PL_MIN, PL_MAX, ev, FALSE, e);
 613                                 if (!trace_startsolid)
 614                                 {
 615                                         //dprint("ev deviation", vtos(trace_endpos - ev), "\n");
 616                                         ev = trace_endpos + '0 0 1';
 617                                 }
 618                         }
 619                         //traceline(self.origin, e.origin, FALSE, world);
 620                         //if (trace_fraction == 1)
 621                         if (!self.wpisbox && tracewalk(self, sv, PL_MIN, PL_MAX, ev, MOVE_NOMONSTERS))
 622                                 waypoint_addlink(self, e);
 623                         else
 624                                 relink_walkculled += 0.5;
 625                         if (!e.wpisbox && tracewalk(e, ev, PL_MIN, PL_MAX, sv, MOVE_NOMONSTERS))
 626                                 waypoint_addlink(e, self);
 627                         else
 628                                 relink_walkculled += 0.5;
 629                 }
 630         }
 631         navigation_testtracewalk = 0;
 632 };
 633
 634 void waypoint_clearlinks(entity wp)
 635 {
 636         // clear links to other waypoints
 637         local float f;
 638         f = 10000000;
 639         wp.wp00 = wp.wp01 = wp.wp02 = wp.wp03 = wp.wp04 = wp.wp05 = wp.wp06 = wp.wp07 = world;wp.wp00mincost = wp.wp01mincost = wp.wp02mincost = wp.wp03mincost = wp.wp04mincost = wp.wp05mincost = wp.wp06mincost = wp.wp07mincost = f;
 640         wp.wp08 = wp.wp09 = wp.wp10 = wp.wp11 = wp.wp12 = wp.wp13 = wp.wp14 = wp.wp15 = world;wp.wp08mincost = wp.wp09mincost = wp.wp10mincost = wp.wp11mincost = wp.wp12mincost = wp.wp13mincost = wp.wp14mincost = wp.wp15mincost = f;
 641         wp.wp16 = wp.wp17 = wp.wp18 = wp.wp19 = wp.wp20 = wp.wp21 = wp.wp22 = wp.wp23 = world;wp.wp16mincost = wp.wp17mincost = wp.wp18mincost = wp.wp19mincost = wp.wp20mincost = wp.wp21mincost = wp.wp22mincost = wp.wp23mincost = f;
 642         wp.wp24 = wp.wp25 = wp.wp26 = wp.wp27 = wp.wp28 = wp.wp29 = wp.wp30 = wp.wp31 = world;wp.wp24mincost = wp.wp25mincost = wp.wp26mincost = wp.wp27mincost = wp.wp28mincost = wp.wp29mincost = wp.wp30mincost = wp.wp31mincost = f;
 643 };
 644
 645 // tell a spawnfunc_waypoint to relink
 646 void waypoint_schedulerelink(entity wp)
 647 {
 648         if (wp == world)
 649                 return;
 650         // TODO: add some sort of visible box in edit mode for box waypoints
 651         if (cvar("g_waypointeditor"))
 652         {
 653                 local vector m1, m2;
 654                 m1 = wp.mins;
 655                 m2 = wp.maxs;
 656                 setmodel(wp, "models/runematch/rune.mdl"); wp.effects = EF_LOWPRECISION;
 657                 setsize(wp, m1, m2);
 658                 if (wp.wpflags & WAYPOINTFLAG_ITEM)
 659                         wp.colormod = '1 0 0';
 660                 else if (wp.wpflags & WAYPOINTFLAG_GENERATED)
 661                         wp.colormod = '1 1 0';
 662                 else
 663                         wp.colormod = '1 1 1';
 664         }
 665         else
 666                 wp.model = "";
 667         wp.wpisbox = vlen(wp.size) > 0;
 668         wp.enemy = world;
 669         wp.owner = world;
 670         if (!(wp.wpflags & WAYPOINTFLAG_NORELINK))
 671                 waypoint_clearlinks(wp);
 672         // schedule an actual relink on next frame
 673         wp.think = waypoint_think;
 674         wp.nextthink = time;
 675         wp.effects = EF_LOWPRECISION;
 676 }
 677
 678 // create a new spawnfunc_waypoint and automatically link it to other waypoints, and link
 679 // them back to it as well
 680 // (suitable for spawnfunc_waypoint editor)
 681 entity waypoint_spawn(vector m1, vector m2, float f)
 682 {
 683         local entity w;
 684         local vector org;
 685         w = find(world, classname, "waypoint");
 686         while (w)
 687         {
 688                 // if a matching spawnfunc_waypoint already exists, don't add a duplicate
 689                 if (boxesoverlap(m1, m2, w.absmin, w.absmax))
 690                         return w;
 691                 w = find(w, classname, "waypoint");
 692         }
 693         w = spawn();
 694         w.classname = "waypoint";
 695         w.wpflags = f;
 696         setorigin(w, (m1 + m2) * 0.5);
 697         setsize(w, m1 - w.origin, m2 - w.origin);
 698         if (vlen(w.size) > 0)
 699                 w.wpisbox = TRUE;
 700
 701         if(!(f & WAYPOINTFLAG_GENERATED))
 702         if(!w.wpisbox)
 703         {
 704                 traceline(w.origin + '0 0 1', w.origin + PL_MIN_z * '0 0 1' - '0 0 1', MOVE_NOMONSTERS, w);
 705                 if (trace_fraction < 1)
 706                         setorigin(w, trace_endpos - PL_MIN_z * '0 0 1');
 707
 708                 // check if the start position is stuck
 709                 tracebox(w.origin, PL_MIN + '-1 -1 -1', PL_MAX + '1 1 1', w.origin, MOVE_NOMONSTERS, w);
 710                 if (trace_startsolid)
 711                 {
 712                         org = w.origin + '0 0 26';
 713                         tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 714                         if(trace_startsolid)
 715                         {
 716                                 org = w.origin + '2 2 2';
 717                                 tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 718                                 if(trace_startsolid)
 719                                 {
 720                                         org = w.origin + '-2 -2 2';
 721                                         tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 722                                         if(trace_startsolid)
 723                                         {
 724                                                 org = w.origin + '-2 2 2';
 725                                                 tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 726                                                 if(trace_startsolid)
 727                                                 {
 728                                                         org = w.origin + '2 -2 2';
 729                                                         tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 730                                                         if(trace_startsolid)
 731                                                         {
 732                                                                 // this WP is in solid, refuse it
 733                                                                 dprint("Killed a waypoint that was stuck in solid at ", vtos(org), "\n");
 734                                                                 remove(w);
 735                                                                 return world;
 736                                                         }
 737                                                 }
 738                                         }
 739                                 }
 740                         }
 741                         setorigin(w, org * 0.05 + trace_endpos * 0.95); // don't trust the trace fully
 742                 }
 743
 744                 tracebox(w.origin, PL_MIN, PL_MAX, w.origin - '0 0 128', MOVE_WORLDONLY, w);
 745                 if(trace_startsolid)
 746                 {
 747                         dprint("Killed a waypoint that was stuck in solid ", vtos(w.origin), "\n");
 748                         remove(w);
 749                         return world;
 750                 }
 751                 if (!trace_inwater)
 752                 {
 753                         if(trace_fraction == 1)
 754                         {
 755                                 dprint("Killed a waypoint that was stuck in air at ", vtos(w.origin), "\n");
 756                                 remove(w);
 757                                 return world;
 758                         }
 759                         trace_endpos_z += 0.1; // don't trust the trace fully
 760 //                      dprint("Moved waypoint at ", vtos(w.origin), " by ", ftos(vlen(w.origin - trace_endpos)));
 761 //                      dprint(" direction: ", vtos((trace_endpos - w.origin)), "\n");
 762                         setorigin(w, trace_endpos);
 763                 }
 764         }
 765
 766         w.waypoint_id = waypoint_counter; ++waypoint_counter;
 767         waypoint_clearlinks(w);
 768         //waypoint_schedulerelink(w);
 769         return w;
 770 };
 771
 772 // spawnfunc_waypoint map entity
 773 void spawnfunc_waypoint()
 774 {
 775         setorigin(self, self.origin);
 776         // schedule a relink after other waypoints have had a chance to spawn
 777         waypoint_clearlinks(self);
 778         //waypoint_schedulerelink(self);
 779 };
 780
 781 // remove a spawnfunc_waypoint, and schedule all neighbors to relink
 782 void waypoint_remove(entity e)
 783 {
 784         // tell all linked waypoints that they need to relink
 785         waypoint_schedulerelink(e.wp00);
 786         waypoint_schedulerelink(e.wp01);
 787         waypoint_schedulerelink(e.wp02);
 788         waypoint_schedulerelink(e.wp03);
 789         waypoint_schedulerelink(e.wp04);
 790         waypoint_schedulerelink(e.wp05);
 791         waypoint_schedulerelink(e.wp06);
 792         waypoint_schedulerelink(e.wp07);
 793         waypoint_schedulerelink(e.wp08);
 794         waypoint_schedulerelink(e.wp09);
 795         waypoint_schedulerelink(e.wp10);
 796         waypoint_schedulerelink(e.wp11);
 797         waypoint_schedulerelink(e.wp12);
 798         waypoint_schedulerelink(e.wp13);
 799         waypoint_schedulerelink(e.wp14);
 800         waypoint_schedulerelink(e.wp15);
 801         waypoint_schedulerelink(e.wp16);
 802         waypoint_schedulerelink(e.wp17);
 803         waypoint_schedulerelink(e.wp18);
 804         waypoint_schedulerelink(e.wp19);
 805         waypoint_schedulerelink(e.wp20);
 806         waypoint_schedulerelink(e.wp21);
 807         waypoint_schedulerelink(e.wp22);
 808         waypoint_schedulerelink(e.wp23);
 809         waypoint_schedulerelink(e.wp24);
 810         waypoint_schedulerelink(e.wp25);
 811         waypoint_schedulerelink(e.wp26);
 812         waypoint_schedulerelink(e.wp27);
 813         waypoint_schedulerelink(e.wp28);
 814         waypoint_schedulerelink(e.wp29);
 815         waypoint_schedulerelink(e.wp30);
 816         waypoint_schedulerelink(e.wp31);
 817         // and now remove the spawnfunc_waypoint
 818         remove(e);
 819         --waypoint_counter;
 820 };
 821
 822 // empties the map of waypoints
 823 void waypoint_removeall()
 824 {
 825         local entity head, next;
 826         head = findchain(classname, "waypoint");
 827         while (head)
 828         {
 829                 next = head.chain;
 830                 remove(head);
 831                 head = next;
 832         }
 833 };
 834
 835 // tell all waypoints to relink
 836 // (is this useful at all?)
 837 void waypoint_schedulerelinkall()
 838 {
 839         local entity head;
 840         relink_total = relink_walkculled = relink_pvsculled = relink_lengthculled = 0;
 841         head = findchain(classname, "waypoint");
 842         while (head)
 843         {
 844                 waypoint_schedulerelink(head);
 845                 head = head.chain;
 846         }
 847 };
 848
 849 // Load waypoint links from file
 850 float botframe_cachedwaypointlinks;
 851 float waypoint_load_links()
 852 {
 853         local string filename, s;
 854         local float file, tokens, cost, id_from, id_to, c;
 855         local entity wp_from, wp_to;
 856         filename = strcat("maps/", mapname);
 857         filename = strcat(filename, ".waypoints.cache");
 858         file = fopen(filename, FILE_READ);
 859
 860         if (file < 0)
 861         {
 862                 dprint("waypoint links load from ");
 863                 dprint(filename);
 864                 dprint(" failed\n");
 865                 return FALSE;
 866         }
 867
 868         while (1)
 869         {
 870                 s = fgets(file);
 871                 if (!s)
 872                         break;
 873
 874                 tokens = tokenizebyseparator(s, " ");
 875
 876                 if (tokens!=3)
 877                 {
 878                         // bad file format
 879                         fclose(file);
 880                         return FALSE;
 881                 }
 882
 883                 id_from = stof(argv(0));
 884                 id_to   = stof(argv(1));
 885                 cost    = stof(argv(2));
 886
 887                 // Search "from" waypoint
 888                 if(wp_from.waypoint_id!=id_from)
 889                 {
 890                         wp_from = findchain(classname, "waypoint");
 891                         while(wp_from)
 892                         {
 893                                 if(wp_from.waypoint_id==id_from)
 894                                         break;
 895                                 wp_from = wp_from.chain;
 896                         }
 897
 898                         if(wp_from.waypoint_id!=id_from)
 899                         {
 900                                 // can't find that waypoint
 901                                 fclose(file);
 902                                 return FALSE;
 903                         }
 904                 }
 905
 906                 // Search "to" waypoint
 907                 wp_to = findchain(classname, "waypoint");
 908                 while(wp_to)
 909                 {
 910                         if(wp_to.waypoint_id==id_to)
 911                                 break;
 912                         wp_to = wp_to.chain;
 913                 }
 914
 915                 if(wp_to.waypoint_id!=id_to)
 916                 {
 917                         // can't find that waypoint
 918                         fclose(file);
 919                         return FALSE;
 920                 }
 921
 922                 ++c;
 923                 //      for i in $(seq -w 0 31); do echo "if(wp_from.wp${i}==world){wp_from.wp${i}=wp_to;wp_from.wp${i}mincost=cost;continue;}"; done;
 924                 if(wp_from.wp00==world){wp_from.wp00=wp_to;wp_from.wp00mincost=cost;continue;}
 925                 if(wp_from.wp01==world){wp_from.wp01=wp_to;wp_from.wp01mincost=cost;continue;}
 926                 if(wp_from.wp02==world){wp_from.wp02=wp_to;wp_from.wp02mincost=cost;continue;}
 927                 if(wp_from.wp03==world){wp_from.wp03=wp_to;wp_from.wp03mincost=cost;continue;}
 928                 if(wp_from.wp04==world){wp_from.wp04=wp_to;wp_from.wp04mincost=cost;continue;}
 929                 if(wp_from.wp05==world){wp_from.wp05=wp_to;wp_from.wp05mincost=cost;continue;}
 930                 if(wp_from.wp06==world){wp_from.wp06=wp_to;wp_from.wp06mincost=cost;continue;}
 931                 if(wp_from.wp07==world){wp_from.wp07=wp_to;wp_from.wp07mincost=cost;continue;}
 932                 if(wp_from.wp08==world){wp_from.wp08=wp_to;wp_from.wp08mincost=cost;continue;}
 933                 if(wp_from.wp09==world){wp_from.wp09=wp_to;wp_from.wp09mincost=cost;continue;}
 934                 if(wp_from.wp10==world){wp_from.wp10=wp_to;wp_from.wp10mincost=cost;continue;}
 935                 if(wp_from.wp11==world){wp_from.wp11=wp_to;wp_from.wp11mincost=cost;continue;}
 936                 if(wp_from.wp12==world){wp_from.wp12=wp_to;wp_from.wp12mincost=cost;continue;}
 937                 if(wp_from.wp13==world){wp_from.wp13=wp_to;wp_from.wp13mincost=cost;continue;}
 938                 if(wp_from.wp14==world){wp_from.wp14=wp_to;wp_from.wp14mincost=cost;continue;}
 939                 if(wp_from.wp15==world){wp_from.wp15=wp_to;wp_from.wp15mincost=cost;continue;}
 940                 if(wp_from.wp16==world){wp_from.wp16=wp_to;wp_from.wp16mincost=cost;continue;}
 941                 if(wp_from.wp17==world){wp_from.wp17=wp_to;wp_from.wp17mincost=cost;continue;}
 942                 if(wp_from.wp18==world){wp_from.wp18=wp_to;wp_from.wp18mincost=cost;continue;}
 943                 if(wp_from.wp19==world){wp_from.wp19=wp_to;wp_from.wp19mincost=cost;continue;}
 944                 if(wp_from.wp20==world){wp_from.wp20=wp_to;wp_from.wp20mincost=cost;continue;}
 945                 if(wp_from.wp21==world){wp_from.wp21=wp_to;wp_from.wp21mincost=cost;continue;}
 946                 if(wp_from.wp22==world){wp_from.wp22=wp_to;wp_from.wp22mincost=cost;continue;}
 947                 if(wp_from.wp23==world){wp_from.wp23=wp_to;wp_from.wp23mincost=cost;continue;}
 948                 if(wp_from.wp24==world){wp_from.wp24=wp_to;wp_from.wp24mincost=cost;continue;}
 949                 if(wp_from.wp25==world){wp_from.wp25=wp_to;wp_from.wp25mincost=cost;continue;}
 950                 if(wp_from.wp26==world){wp_from.wp26=wp_to;wp_from.wp26mincost=cost;continue;}
 951                 if(wp_from.wp27==world){wp_from.wp27=wp_to;wp_from.wp27mincost=cost;continue;}
 952                 if(wp_from.wp28==world){wp_from.wp28=wp_to;wp_from.wp28mincost=cost;continue;}
 953                 if(wp_from.wp29==world){wp_from.wp29=wp_to;wp_from.wp29mincost=cost;continue;}
 954                 if(wp_from.wp30==world){wp_from.wp30=wp_to;wp_from.wp30mincost=cost;continue;}
 955                 if(wp_from.wp31==world){wp_from.wp31=wp_to;wp_from.wp31mincost=cost;continue;}
 956         }
 957
 958         fclose(file);
 959
 960         dprint("loaded ");
 961         dprint(ftos(c));
 962         dprint(" waypoint links from maps/");
 963         dprint(mapname);
 964         dprint(".waypoints.cache\n");
 965
 966         botframe_cachedwaypointlinks = TRUE;
 967         return TRUE;
 968 };
 969
 970
 971 // Save all waypoint links to a file
 972 void waypoint_save_links()
 973 {
 974         local string filename, s;
 975         local float file, c, i, cost;
 976         local entity w, link;
 977         filename = strcat("maps/", mapname);
 978         filename = strcat(filename, ".waypoints.cache");
 979         file = fopen(filename, FILE_WRITE);
 980         if (file < 0)
 981         {
 982                 bprint("waypoint links save to ");
 983                 bprint(filename);
 984                 bprint(" failed\n");
 985         }
 986         c = 0;
 987         w = findchain(classname, "waypoint");
 988         while (w)
 989         {
 990                 if (!(w.wpflags & WAYPOINTFLAG_GENERATED))
 991                 {
 992                         for(i=0;i<32;++i)
 993                         {
 994                                 // :S
 995                                 switch(i)
 996                                 {
 997                                         //      for i in $(seq -w 0 31); do echo "case $i:link = w.wp$i; cost = w.wp${i}mincost; break;"; done;
 998                                         case 00:link = w.wp00; cost = w.wp00mincost; break;
 999                                         case 01:link = w.wp01; cost = w.wp01mincost; break;
1000                                         case 02:link = w.wp02; cost = w.wp02mincost; break;
1001                                         case 03:link = w.wp03; cost = w.wp03mincost; break;
1002                                         case 04:link = w.wp04; cost = w.wp04mincost; break;
1003                                         case 05:link = w.wp05; cost = w.wp05mincost; break;
1004                                         case 06:link = w.wp06; cost = w.wp06mincost; break;
1005                                         case 07:link = w.wp07; cost = w.wp07mincost; break;
1006                                         case 08:link = w.wp08; cost = w.wp08mincost; break;
1007                                         case 09:link = w.wp09; cost = w.wp09mincost; break;
1008                                         case 10:link = w.wp10; cost = w.wp10mincost; break;
1009                                         case 11:link = w.wp11; cost = w.wp11mincost; break;
1010                                         case 12:link = w.wp12; cost = w.wp12mincost; break;
1011                                         case 13:link = w.wp13; cost = w.wp13mincost; break;
1012                                         case 14:link = w.wp14; cost = w.wp14mincost; break;
1013                                         case 15:link = w.wp15; cost = w.wp15mincost; break;
1014                                         case 16:link = w.wp16; cost = w.wp16mincost; break;
1015                                         case 17:link = w.wp17; cost = w.wp17mincost; break;
1016                                         case 18:link = w.wp18; cost = w.wp18mincost; break;
1017                                         case 19:link = w.wp19; cost = w.wp19mincost; break;
1018                                         case 20:link = w.wp20; cost = w.wp20mincost; break;
1019                                         case 21:link = w.wp21; cost = w.wp21mincost; break;
1020                                         case 22:link = w.wp22; cost = w.wp22mincost; break;
1021                                         case 23:link = w.wp23; cost = w.wp23mincost; break;
1022                                         case 24:link = w.wp24; cost = w.wp24mincost; break;
1023                                         case 25:link = w.wp25; cost = w.wp25mincost; break;
1024                                         case 26:link = w.wp26; cost = w.wp26mincost; break;
1025                                         case 27:link = w.wp27; cost = w.wp27mincost; break;
1026                                         case 28:link = w.wp28; cost = w.wp28mincost; break;
1027                                         case 29:link = w.wp29; cost = w.wp29mincost; break;
1028                                         case 30:link = w.wp30; cost = w.wp30mincost; break;
1029                                         case 31:link = w.wp31; cost = w.wp31mincost; break;
1030                                 }
1031
1032                                 if(link==world)
1033                                         continue;
1034
1035                                 s = strcat(ftos(w.waypoint_id), " ", ftos(link.waypoint_id), " ", ftos(cost), "\n");
1036                                 fputs(file, s);
1037                                 ++c;
1038                         }
1039                 }
1040                 w = w.chain;
1041         }
1042         fclose(file);
1043         botframe_cachedwaypointlinks = TRUE;
1044
1045         bprint("saved ");
1046         bprint(ftos(c));
1047         bprint(" waypoints links to maps/");
1048         bprint(mapname);
1049         bprint(".waypoints.cache\n");
1050 };
1051
1052 // save waypoints to gamedir/data/maps/mapname.waypoints
1053 void waypoint_saveall()
1054 {
1055         local string filename, s;
1056         local float file, c;
1057         local entity w;
1058         filename = strcat("maps/", mapname);
1059         filename = strcat(filename, ".waypoints");
1060         file = fopen(filename, FILE_WRITE);
1061         if (file >= 0)
1062         {
1063                 c = 0;
1064                 w = findchain(classname, "waypoint");
1065                 while (w)
1066                 {
1067                         if (!(w.wpflags & WAYPOINTFLAG_GENERATED))
1068                         {
1069                                 s = strcat(vtos(w.origin + w.mins), "\n");
1070                                 s = strcat(s, vtos(w.origin + w.maxs));
1071                                 s = strcat(s, "\n");
1072                                 s = strcat(s, ftos(w.wpflags));
1073                                 s = strcat(s, "\n");
1074                                 fputs(file, s);
1075                                 c = c + 1;
1076                         }
1077                         w = w.chain;
1078                 }
1079                 fclose(file);
1080                 bprint("saved ");
1081                 bprint(ftos(c));
1082                 bprint(" waypoints to maps/");
1083                 bprint(mapname);
1084                 bprint(".waypoints\n");
1085         }
1086         else
1087         {
1088                 bprint("waypoint save to ");
1089                 bprint(filename);
1090                 bprint(" failed\n");
1091         }
1092         waypoint_save_links();
1093 };
1094
1095 // load waypoints from file
1096 float waypoint_loadall()
1097 {
1098         local string filename, s;
1099         local float file, cwp, cwb, fl;
1100         local vector m1, m2;
1101         cwp = 0;
1102         cwb = 0;
1103         filename = strcat("maps/", mapname);
1104         filename = strcat(filename, ".waypoints");
1105         file = fopen(filename, FILE_READ);
1106         if (file >= 0)
1107         {
1108                 while (1)
1109                 {
1110                         s = fgets(file);
1111                         if (!s)
1112                                 break;
1113                         m1 = stov(s);
1114                         s = fgets(file);
1115                         if (!s)
1116                                 break;
1117                         m2 = stov(s);
1118                         s = fgets(file);
1119                         if (!s)
1120                                 break;
1121                         fl = stof(s);
1122                         waypoint_spawn(m1, m2, fl);
1123                         if (m1 == m2)
1124                                 cwp = cwp + 1;
1125                         else
1126                                 cwb = cwb + 1;
1127                 }
1128                 fclose(file);
1129                 dprint("loaded ");
1130                 dprint(ftos(cwp));
1131                 dprint(" waypoints and ");
1132                 dprint(ftos(cwb));
1133                 dprint(" wayboxes from maps/");
1134                 dprint(mapname);
1135                 dprint(".waypoints\n");
1136         }
1137         else
1138         {
1139                 dprint("waypoint load from ");
1140                 dprint(filename);
1141                 dprint(" failed\n");
1142         }
1143         return cwp + cwb;
1144 };
1145
1146 void waypoint_spawnforitem(entity e)
1147 {
1148         local entity w;
1149         local vector org;
1150
1151         if(!bot_waypoints_for_items)
1152                 return;
1153
1154         org = e.origin + (e.mins + e.maxs) * 0.5;
1155         org_z = e.origin_z + e.mins_z - PL_MIN_z + 1;
1156         e.nearestwaypointtimeout = time + 1000000000;
1157         // don't spawn an item spawnfunc_waypoint if it already exists
1158         w = findchain(classname, "waypoint");
1159         while (w)
1160         {
1161                 if (w.wpisbox)
1162                 {
1163                         if (boxesoverlap(org, org, w.absmin, w.absmax))
1164                         {
1165                                 e.nearestwaypoint = w;
1166                                 return;
1167                         }
1168                 }
1169                 else
1170                 {
1171                         if (vlen(w.origin - org) < 16)
1172                         {
1173                                 e.nearestwaypoint = w;
1174                                 return;
1175                         }
1176                 }
1177                 w = w.chain;
1178         }
1179         e.nearestwaypoint = waypoint_spawn(org, org, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_ITEM);
1180 };
1181
1182 void waypoint_spawnforteleporter(entity e, vector destination, float timetaken)
1183 {
1184         local entity w;
1185         local entity dw;
1186         w = waypoint_spawn(e.absmin, e.absmax, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_TELEPORT | WAYPOINTFLAG_NORELINK);
1187         dw = waypoint_spawn(destination, destination, WAYPOINTFLAG_GENERATED);
1188         // one way link to the destination
1189         w.wp00 = dw;
1190         w.wp00mincost = timetaken; // this is just for jump pads
1191         // the teleporter's nearest spawnfunc_waypoint is this one
1192         // (teleporters are not goals, so this is probably useless)
1193         e.nearestwaypoint = w;
1194         e.nearestwaypointtimeout = time + 1000000000;
1195 };
1196
1197
1198
1199
1200
1201 /////////////////////////////////////////////////////////////////////////////
1202 // goal stack
1203 /////////////////////////////////////////////////////////////////////////////
1204
1205 // completely empty the goal stack, used when deciding where to go
1206 void navigation_clearroute()
1207 {
1208         self.goalcurrent = world;
1209         self.goalstack01 = world;
1210         self.goalstack02 = world;
1211         self.goalstack03 = world;
1212         self.goalstack04 = world;
1213         self.goalstack05 = world;
1214         self.goalstack06 = world;
1215         self.goalstack07 = world;
1216         self.goalstack08 = world;
1217         self.goalstack09 = world;
1218         self.goalstack10 = world;
1219         self.goalstack11 = world;
1220         self.goalstack12 = world;
1221         self.goalstack13 = world;
1222         self.goalstack14 = world;
1223         self.goalstack15 = world;
1224         self.goalstack16 = world;
1225         self.goalstack17 = world;
1226         self.goalstack18 = world;
1227         self.goalstack19 = world;
1228         self.goalstack20 = world;
1229         self.goalstack21 = world;
1230         self.goalstack22 = world;
1231         self.goalstack23 = world;
1232         self.goalstack24 = world;
1233         self.goalstack25 = world;
1234         self.goalstack26 = world;
1235         self.goalstack27 = world;
1236         self.goalstack28 = world;
1237         self.goalstack29 = world;
1238         self.goalstack30 = world;
1239         self.goalstack31 = world;
1240 };
1241
1242 // add a new goal at the beginning of the stack
1243 // (in other words: add a new prerequisite before going to the later goals)
1244 void navigation_pushroute(entity e)
1245 {
1246         self.goalstack31 = self.goalstack30;
1247         self.goalstack30 = self.goalstack29;
1248         self.goalstack29 = self.goalstack28;
1249         self.goalstack28 = self.goalstack27;
1250         self.goalstack27 = self.goalstack26;
1251         self.goalstack26 = self.goalstack25;
1252         self.goalstack25 = self.goalstack24;
1253         self.goalstack24 = self.goalstack23;
1254         self.goalstack23 = self.goalstack22;
1255         self.goalstack22 = self.goalstack21;
1256         self.goalstack21 = self.goalstack20;
1257         self.goalstack20 = self.goalstack19;
1258         self.goalstack19 = self.goalstack18;
1259         self.goalstack18 = self.goalstack17;
1260         self.goalstack17 = self.goalstack16;
1261         self.goalstack16 = self.goalstack15;
1262         self.goalstack15 = self.goalstack14;
1263         self.goalstack14 = self.goalstack13;
1264         self.goalstack13 = self.goalstack12;
1265         self.goalstack12 = self.goalstack11;
1266         self.goalstack11 = self.goalstack10;
1267         self.goalstack10 = self.goalstack09;
1268         self.goalstack09 = self.goalstack08;
1269         self.goalstack08 = self.goalstack07;
1270         self.goalstack07 = self.goalstack06;
1271         self.goalstack06 = self.goalstack05;
1272         self.goalstack05 = self.goalstack04;
1273         self.goalstack04 = self.goalstack03;
1274         self.goalstack03 = self.goalstack02;
1275         self.goalstack02 = self.goalstack01;
1276         self.goalstack01 = self.goalcurrent;
1277         self.goalcurrent = e;
1278 };
1279
1280 // remove first goal from stack
1281 // (in other words: remove a prerequisite for reaching the later goals)
1282 // (used when a spawnfunc_waypoint is reached)
1283 void navigation_poproute()
1284 {
1285         self.goalcurrent = self.goalstack01;
1286         self.goalstack01 = self.goalstack02;
1287         self.goalstack02 = self.goalstack03;
1288         self.goalstack03 = self.goalstack04;
1289         self.goalstack04 = self.goalstack05;
1290         self.goalstack05 = self.goalstack06;
1291         self.goalstack06 = self.goalstack07;
1292         self.goalstack07 = self.goalstack08;
1293         self.goalstack08 = self.goalstack09;
1294         self.goalstack09 = self.goalstack10;
1295         self.goalstack10 = self.goalstack11;
1296         self.goalstack11 = self.goalstack12;
1297         self.goalstack12 = self.goalstack13;
1298         self.goalstack13 = self.goalstack14;
1299         self.goalstack14 = self.goalstack15;
1300         self.goalstack15 = self.goalstack16;
1301         self.goalstack16 = self.goalstack17;
1302         self.goalstack17 = self.goalstack18;
1303         self.goalstack18 = self.goalstack19;
1304         self.goalstack19 = self.goalstack20;
1305         self.goalstack20 = self.goalstack21;
1306         self.goalstack21 = self.goalstack22;
1307         self.goalstack22 = self.goalstack23;
1308         self.goalstack23 = self.goalstack24;
1309         self.goalstack24 = self.goalstack25;
1310         self.goalstack25 = self.goalstack26;
1311         self.goalstack26 = self.goalstack27;
1312         self.goalstack27 = self.goalstack28;
1313         self.goalstack28 = self.goalstack29;
1314         self.goalstack29 = self.goalstack30;
1315         self.goalstack30 = self.goalstack31;
1316         self.goalstack31 = world;
1317 };
1318
1319 // find the spawnfunc_waypoint near a dynamic goal such as a dropped weapon
1320 entity navigation_findnearestwaypoint(entity player, float walkfromwp)
1321 {
1322         local entity waylist, w, best;
1323         local float dist, bestdist;
1324         local vector v, org, pm1, pm2;
1325         pm1 = player.origin + PL_MIN;
1326         pm2 = player.origin + PL_MAX;
1327         waylist = findchain(classname, "waypoint");
1328         // do two scans, because box test is cheaper
1329         w = waylist;
1330         while (w)
1331         {
1332                 // if object is touching spawnfunc_waypoint
1333                 if (boxesoverlap(pm1, pm2, w.absmin, w.absmax))
1334                         return w;
1335                 w = w.chain;
1336         }
1337
1338         org = player.origin + (player.mins_z - PL_MIN_z) * '0 0 1';
1339         if(player.tag_entity)
1340                 org = org + player.tag_entity.origin;
1341         if (navigation_testtracewalk)
1342                 te_plasmaburn(org);
1343         best = world;
1344         bestdist = 1050;
1345
1346         // box check failed, try walk
1347         w = waylist;
1348         while (w)
1349         {
1350                 // if object can walk from spawnfunc_waypoint
1351                 if (w.wpisbox)
1352                 {
1353                         local vector wm1, wm2;
1354                         wm1 = w.origin + w.mins;
1355                         wm2 = w.origin + w.maxs;
1356                         v_x = bound(wm1_x, org_x, wm2_x);
1357                         v_y = bound(wm1_y, org_y, wm2_y);
1358                         v_z = bound(wm1_z, org_z, wm2_z);
1359                 }
1360                 else
1361                         v = w.origin;
1362                 dist = vlen(v - org);
1363                 if (bestdist > dist)
1364                 {
1365                         if (walkfromwp)
1366                         {
1367                                 traceline(v, org, TRUE, player);
1368                                 if (trace_fraction == 1)
1369                                 if (tracewalk(player, v, PL_MIN, PL_MAX, org, MOVE_NORMAL))
1370                                 {
1371                                         bestdist = dist;
1372                                         best = w;
1373                                 }
1374                         }
1375                         else
1376                         {
1377                                 traceline(v, org, TRUE, player);
1378                                 if (trace_fraction == 1)
1379                                 if (tracewalk(player, org, PL_MIN, PL_MAX, v, MOVE_NORMAL))
1380                                 {
1381                                         bestdist = dist;
1382                                         best = w;
1383                                 }
1384                         }
1385                 }
1386                 w = w.chain;
1387         }
1388         return best;
1389 }
1390
1391 // finds the waypoints near the bot initiating a navigation query
1392 float navigation_markroutes_nearestwaypoints(entity waylist, float maxdist)
1393 {
1394         local entity head;
1395         local vector v, m1, m2, diff;
1396         local float c;
1397 //      navigation_testtracewalk = TRUE;
1398         c = 0;
1399         head = waylist;
1400         while (head)
1401         {
1402                 if (!head.wpconsidered)
1403                 {
1404                         if (head.wpisbox)
1405                         {
1406                                 m1 = head.origin + head.mins;
1407                                 m2 = head.origin + head.maxs;
1408                                 v = self.origin;
1409                                 v_x = bound(m1_x, v_x, m2_x);
1410                                 v_y = bound(m1_y, v_y, m2_y);
1411                                 v_z = bound(m1_z, v_z, m2_z);
1412                         }
1413                         else
1414                                 v = head.origin;
1415                         diff = v - self.origin;
1416                         diff_z = max(0, diff_z);
1417                         if (vlen(diff) < maxdist)
1418                         {
1419                                 head.wpconsidered = TRUE;
1420                                 if (tracewalk(self, self.origin, self.mins, self.maxs, v, MOVE_NORMAL))
1421                                 {
1422                                         head.wpnearestpoint = v;
1423                                         head.wpcost = vlen(v - self.origin) + head.dmg;
1424                                         head.wpfire = 1;
1425                                         head.enemy = world;
1426                                         c = c + 1;
1427                                 }
1428                         }
1429                 }
1430                 head = head.chain;
1431         }
1432         //navigation_testtracewalk = FALSE;
1433         return c;
1434 }
1435
1436 // updates a path link if a spawnfunc_waypoint link is better than the current one
1437 void navigation_markroutes_checkwaypoint(entity w, entity wp, float cost2, vector p)
1438 {
1439         local vector m1;
1440         local vector m2;
1441         local vector v;
1442         if (wp.wpisbox)
1443         {
1444                 m1 = wp.absmin;
1445                 m2 = wp.absmax;
1446                 v_x = bound(m1_x, p_x, m2_x);
1447                 v_y = bound(m1_y, p_y, m2_y);
1448                 v_z = bound(m1_z, p_z, m2_z);
1449         }
1450         else
1451                 v = wp.origin;
1452         cost2 = cost2 + vlen(v);
1453         if (wp.wpcost > cost2)
1454         {
1455                 wp.wpcost = cost2;
1456                 wp.enemy = w;
1457                 wp.wpfire = 1;
1458                 wp.wpnearestpoint = v;
1459         }
1460 };
1461
1462 // queries the entire spawnfunc_waypoint network for pathes leading away from the bot
1463 void navigation_markroutes()
1464 {
1465         local entity w, wp, waylist;
1466         local float searching, cost, cost2;
1467         local vector p;
1468         w = waylist = findchain(classname, "waypoint");
1469         while (w)
1470         {
1471                 w.wpconsidered = FALSE;
1472                 w.wpnearestpoint = '0 0 0';
1473                 w.wpcost = 10000000;
1474                 w.wpfire = 0;
1475                 w.enemy = world;
1476                 w = w.chain;
1477         }
1478
1479         // try a short range search for the nearest waypoints, and expand the search repeatedly if none are found
1480         // as this search is expensive we will use lower values if the bot is on the air
1481         local float i, increment, maxdistance;
1482         if(self.flags & FL_ONGROUND)
1483         {
1484                 increment = 750;
1485                 maxdistance = 50000;
1486         }
1487         else
1488         {
1489                 increment = 500;
1490                 maxdistance = 1500;
1491         }
1492
1493         for(i=increment;!navigation_markroutes_nearestwaypoints(waylist, i)&&i<maxdistance;i+=increment);
1494
1495         searching = TRUE;
1496         while (searching)
1497         {
1498                 searching = FALSE;
1499                 w = waylist;
1500                 while (w)
1501                 {
1502                         if (w.wpfire)
1503                         {
1504                                 searching = TRUE;
1505                                 w.wpfire = 0;
1506                                 cost = w.wpcost;
1507                                 p = w.wpnearestpoint;
1508                                 wp = w.wp00;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp00mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1509                                 wp = w.wp01;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp01mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1510                                 wp = w.wp02;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp02mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1511                                 wp = w.wp03;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp03mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1512                                 wp = w.wp04;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp04mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1513                                 wp = w.wp05;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp05mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1514                                 wp = w.wp06;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp06mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1515                                 wp = w.wp07;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp07mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1516                                 wp = w.wp08;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp08mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1517                                 wp = w.wp09;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp09mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1518                                 wp = w.wp10;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp10mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1519                                 wp = w.wp11;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp11mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1520                                 wp = w.wp12;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp12mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1521                                 wp = w.wp13;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp13mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1522                                 wp = w.wp14;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp14mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1523                                 wp = w.wp15;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp15mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1524                                 wp = w.wp16;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp16mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1525                                 wp = w.wp17;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp17mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1526                                 wp = w.wp18;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp18mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1527                                 wp = w.wp19;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp19mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1528                                 wp = w.wp20;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp20mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1529                                 wp = w.wp21;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp21mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1530                                 wp = w.wp22;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp22mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1531                                 wp = w.wp23;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp23mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1532                                 wp = w.wp24;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp24mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1533                                 wp = w.wp25;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp25mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1534                                 wp = w.wp26;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp26mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1535                                 wp = w.wp27;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp27mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1536                                 wp = w.wp28;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp28mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1537                                 wp = w.wp29;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp29mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1538                                 wp = w.wp30;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp30mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1539                                 wp = w.wp31;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp31mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1540                                 }}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
1541                         }
1542                         w = w.chain;
1543                 }
1544         }
1545 };
1546
1547 // updates the best goal according to a weighted calculation of travel cost and item value of a new proposed item
1548 .void() havocbot_role;
1549 void() havocbot_role_ctf_offense;
1550 void navigation_routerating(entity e, float f, float rangebias)
1551 {
1552         if (!e)
1553                 return;
1554         //te_wizspike(e.origin);
1555         //bprint(etos(e));
1556         //bprint("\n");
1557         // update the cached spawnfunc_waypoint link on a dynamic item entity
1558         if (time > e.nearestwaypointtimeout)
1559         {
1560                 e.nearestwaypoint = navigation_findnearestwaypoint(e, TRUE);
1561                 e.nearestwaypointtimeout = time + random() * 3 + 5;
1562         }
1563         //dprint(e.classname, " ", ftos(f));
1564         //dprint("-- checking ", e.classname, " (with cost ", ftos(e.nearestwaypoint.wpcost), ")\n");
1565         if (e.nearestwaypoint)
1566         if (e.nearestwaypoint.wpcost < 10000000)
1567         {
1568                 //te_wizspike(e.nearestwaypoint.wpnearestpoint);
1569                 //dprint(e.classname, " ", ftos(f), "/(1+", ftos((e.nearestwaypoint.wpcost + vlen(e.origin - e.nearestwaypoint.wpnearestpoint))), "/", ftos(rangebias), ") = ");
1570                 f = f * rangebias / (rangebias + (e.nearestwaypoint.wpcost + vlen(e.origin - e.nearestwaypoint.wpnearestpoint)));
1571                 //if (self.havocbot_role == havocbot_role_ctf_offense)
1572                 //      dprint("-- considering ", e.classname, " (with rating ", ftos(f), ")\n");
1573                 //dprint(ftos(f));
1574                 if (navigation_bestrating < f)
1575                 {
1576                         navigation_alternativegoal = navigation_bestgoal;
1577                         navigation_bestrating = f;
1578                         navigation_bestgoal = e;
1579                 }
1580         }
1581         //dprint("\n");
1582 };
1583
1584 // replaces the goal stack with the path to a given item
1585 void navigation_routetogoal(entity e)
1586 {
1587         // if already going to this goal, don't stop
1588         //if (self.goalentity == e)
1589         //      return;
1590         // clear the route and add the new one
1591         navigation_clearroute();
1592         self.goalentity = e;
1593         // if there is no goal, just exit
1594         if (!e)
1595                 return;
1596         // put the entity on the goal stack as the only item
1597         navigation_pushroute(e);
1598         //te_smallflash((e.absmin + e.absmax) * 0.5);
1599         //bprint("navigation_routetogoal(");
1600         //bprint(etos(e));
1601         //bprint(") : ");
1602         //bprint(etos(e));
1603         //tracebox(self.origin, '-16 -16 0', '16 16 0', e.origin, TRUE, self);
1604         //if (trace_fraction == 1)
1605         if (tracewalk(self, self.origin, PL_MIN, PL_MAX, e.origin, MOVE_NORMAL))
1606                 return;
1607         // see if there are waypoints describing a path to the item
1608         e = e.nearestwaypoint;
1609         while (e != world)
1610         {
1611                 //bprint(" ");
1612                 //bprint(etos(e));
1613                 //te_smallflash((e.absmin + e.absmax) * 0.5);
1614                 //tracebox(self.origin, '-16 -16 0', '16 16 0', e.origin, TRUE, self);
1615                 //if (trace_fraction == 1)
1616                 //if (tracewalk(self, self.origin, PL_MIN, PL_MAX, e.origin, MOVE_NORMAL))
1617                 //      break;
1618                 // add the spawnfunc_waypoint to the path
1619                 navigation_pushroute(e);
1620                 e = e.enemy;
1621         }
1622         //bprint("\n");
1623 };
1624
1625 // removes any currently touching waypoints from the goal stack
1626 // (this is how bots detect if they have reached a goal)
1627 void navigation_poptouchedgoals()
1628 {
1629         local vector org, m1, m2;
1630         org = self.origin;// + self.velocity * 0.1;
1631         m1 = org + self.mins;
1632         m2 = org + self.maxs;
1633
1634         // Loose goal touching check for running state
1635         if(self.aistatus & AI_STATUS_RUNNING)
1636         if(self.goalcurrent.classname=="waypoint")
1637         {
1638                 if(vlen(self.origin - self.goalcurrent.origin)<150)
1639                 {
1640                                 traceline(self.origin + self.view_ofs , self.goalcurrent.origin, TRUE, world);
1641                                 if(trace_fraction==1)
1642                                 {
1643                                         navigation_poproute();
1644                                 }
1645                 }
1646         }
1647
1648         while (self.goalcurrent && boxesoverlap(m1, m2, self.goalcurrent.absmin, self.goalcurrent.absmax))
1649                 navigation_poproute();
1650 }
1651
1652 // begin a goal selection session (queries spawnfunc_waypoint network)
1653 void navigation_goalrating_start()
1654 {
1655         navigation_bestrating = -1;
1656         navigation_bestgoal = world;
1657         navigation_markroutes();
1658 };
1659
1660 // ends a goal selection session (updates goal stack to the best goal)
1661 void navigation_goalrating_end()
1662 {
1663         if (self.havocbot_role == havocbot_role_ctf_offense)
1664                 dprint(navigation_bestgoal.classname, " (with rating ", ftos(navigation_bestrating), ")\n");
1665         self.alternativegoal = navigation_alternativegoal;
1666         navigation_routetogoal(navigation_bestgoal);
1667 };
1668
1669
1670 //////////////////////////////////////////////////////////////////////////////
1671 // general bot functions
1672 //////////////////////////////////////////////////////////////////////////////
1673
1674 .float isbot; // true if this client is actually a bot
1675
1676 float skill;
1677 entity bot_list;
1678 .entity nextbot;
1679 .string netname_freeme;
1680
1681 float sv_maxspeed;
1682 .float createdtime;
1683
1684 .float bot_preferredcolors;
1685
1686 .float bot_attack;
1687 .float bot_dodge;
1688 .float bot_dodgerating;
1689
1690 //.float bot_painintensity;
1691 .float bot_firetimer;
1692 //.float bot_oldhealth;
1693 .void() bot_ai;
1694
1695 .entity bot_aimtarg;
1696 .float bot_aimlatency;
1697 .vector bot_aimselforigin;
1698 .vector bot_aimselfvelocity;
1699 .vector bot_aimtargorigin;
1700 .vector bot_aimtargvelocity;
1701
1702 .float bot_pickup;
1703 .float(entity player, entity item) bot_pickupevalfunc;
1704 .float bot_pickupbasevalue;
1705 .float bot_canfire;
1706 .float bot_strategytime;
1707
1708 // used for aiming currently
1709 // FIXME: make the weapon code use these and then replace the calculations here with a call to the weapon code
1710 vector shotorg;
1711 vector shotdir;
1712
1713 const float BOTSKINS = 19;
1714 const float BOTNAMES = 32;
1715 string bot_namefornumber(float r)
1716 {
1717         if (r <  1) return "Thunderstorm";
1718         if (r <  2) return "Darkness";
1719         if (r <  3) return "Scorcher";
1720         if (r <  4) return "Paranoia";
1721         if (r <  5) return "Eureka";
1722         if (r <  6) return "Mystery";
1723         if (r <  7) return "Toxic";
1724         if (r <  8) return "Dominion";
1725         if (r <  9) return "Pegasus";
1726         if (r < 10) return "Sensible";
1727         if (r < 11) return "Gator";
1728         if (r < 12) return "Kangaroo";
1729         if (r < 13) return "Deadline";
1730         if (r < 14) return "Frosty";
1731         if (r < 15) return "Roadkill";
1732         if (r < 16) return "Death";
1733         if (r < 17) return "Panic";
1734         if (r < 18) return "Discovery";
1735         if (r < 19) return "Shadow";
1736         if (r < 20) return "Acidic";
1737         if (r < 21) return "Dominator";
1738         if (r < 22) return "Hellfire";
1739         if (r < 23) return "Necrotic";
1740         if (r < 24) return "Newbie";
1741         if (r < 25) return "Spellbinder";
1742         if (r < 26) return "Lion";
1743         if (r < 27) return "Controlled";
1744         if (r < 28) return "Airhead";
1745         if (r < 29) return "Delirium";
1746         if (r < 30) return "Resurrection";
1747         if (r < 31) return "Danger";
1748         return "Flatline";
1749 };
1750
1751 string bot_skinfornumber(float r)
1752 {
1753              if (r <  1) {self.playermodel = "models/player/carni.zym"          ;self.playerskin = "0";return "Carni"          ;}
1754         else if (r <  2) {self.playermodel = "models/player/carni.zym"          ;self.playerskin = "1";return "Armored Carni"  ;}
1755         else if (r <  3) {self.playermodel = "models/player/crash.zym"          ;self.playerskin = "0";return "Quark"          ;}
1756         else if (r <  4) {self.playermodel = "models/player/grunt.zym"          ;self.playerskin = "0";return "Grunt"          ;}
1757         else if (r <  5) {self.playermodel = "models/player/headhunter.zym"     ;self.playerskin = "0";return "HeadHunter"     ;}
1758         else if (r <  6) {self.playermodel = "models/player/insurrectionist.zym";self.playerskin = "0";return "Insurrectionist";}
1759         else if (r <  7) {self.playermodel = "models/player/lurk.zym"           ;self.playerskin = "0";return "Lurk"           ;}
1760         else if (r <  8) {self.playermodel = "models/player/lurk.zym"           ;self.playerskin = "1";return "Reptile"        ;}
1761         else if (r <  9) {self.playermodel = "models/player/lycanthrope.zym"    ;self.playerskin = "0";return "Lycanthrope"    ;}
1762         else if (r < 10) {self.playermodel = "models/player/marine.zym"         ;self.playerskin = "0";return "Marine"         ;}
1763         else if (r < 11) {self.playermodel = "models/player/nexus.zym"          ;self.playerskin = "0";return "Nexus"          ;}
1764         else if (r < 12) {self.playermodel = "models/player/nexus.zym"          ;self.playerskin = "1";return "Mulder"         ;}
1765         else if (r < 13) {self.playermodel = "models/player/nexus.zym"          ;self.playerskin = "2";return "Xolar"          ;}
1766         else if (r < 14) {self.playermodel = "models/player/pyria.zym"          ;self.playerskin = "0";return "Pyria"          ;}
1767         else if (r < 15) {self.playermodel = "models/player/shock.zym"          ;self.playerskin = "0";return "Shock"          ;}
1768         else if (r < 16) {self.playermodel = "models/player/skadi.zym"          ;self.playerskin = "0";return "Skadi"          ;}
1769         else if (r < 17) {self.playermodel = "models/player/specop.zym"         ;self.playerskin = "0";return "Specop"         ;}
1770         else             {self.playermodel = "models/player/visitant.zym"       ;self.playerskin = "0";return "Fricka"         ;}
1771 };
1772
1773 void bot_setnameandstuff()
1774 {
1775         local string name, prefix, suffix;
1776         local float r, b, shirt, pants;
1777
1778         prefix = cvar_string("bot_prefix");
1779         suffix = cvar_string("bot_suffix");
1780
1781         // this is really only a default, JoinBestTeam is called later
1782         pants = floor(random() * 15);
1783         shirt = floor(random() * 15);
1784         //shirt = pants;
1785         setcolor(self, shirt * 16 + pants);
1786         self.bot_preferredcolors = self.clientcolors;
1787
1788         // now pick a name...
1789
1790         if (cvar("bot_usemodelnames"))
1791         {
1792                 // first see if all skins are taken
1793                 b = 0;
1794                 do
1795                 {
1796                         name = bot_skinfornumber(b);
1797                         b = b + 1;
1798                 }
1799                 while (b < BOTSKINS && find(world, netname, name));
1800
1801                 // randomly pick a skin, if it's taken either repeat until we find one,
1802                 // or give up if we already know all skins are taken
1803                 do
1804                 {
1805                         r = floor(random() * BOTSKINS);
1806                         name = bot_skinfornumber(r);
1807                 }
1808                 while (b < BOTSKINS && find(world, netname, name));
1809         }
1810         else
1811         {
1812                 // first see if all names are taken
1813                 b = 0;
1814                 do
1815                 {
1816                         name = bot_namefornumber(b);
1817                         b = b + 1;
1818                 }
1819                 while (b < BOTNAMES && find(world, netname, name));
1820
1821                 // randomly pick a name, if it's taken either repeat until we find one,
1822                 // or give up if we already know all names are taken
1823                 do
1824                 {
1825                         r = floor(random() * BOTNAMES);
1826                         name = bot_namefornumber(r);
1827                 }
1828                 while (b < BOTNAMES && find(world, netname, name));
1829
1830                 // randomly pick a skin
1831                 bot_skinfornumber(floor(random() * BOTSKINS));
1832         }
1833         if(!cvar("g_campaign"))
1834                 self.netname = self.netname_freeme = strzone(strcat(prefix, name, suffix));
1835         else
1836                 self.netname = name;
1837 };
1838
1839 float bot_custom_weapon;
1840 float bot_distance_far;
1841 float bot_distance_close;
1842
1843 float bot_weapons_far[WEP_LAST];
1844 float bot_weapons_mid[WEP_LAST];
1845 float bot_weapons_close[WEP_LAST];
1846
1847 void bot_custom_weapon_priority_setup()
1848 {
1849         local float tokens, i, c, w;
1850
1851         bot_custom_weapon = FALSE;
1852
1853         if(     cvar_string("bot_ai_custom_weapon_priority_far") == "" ||
1854                 cvar_string("bot_ai_custom_weapon_priority_mid") == "" ||
1855                 cvar_string("bot_ai_custom_weapon_priority_close") == "" ||
1856                 cvar_string("bot_ai_custom_weapon_priority_distances") == ""
1857         )
1858                 return;
1859
1860         // Parse distances
1861         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_distances")," ");
1862
1863         if (tokens!=2)
1864                 return;
1865
1866         bot_distance_far = stof(argv(0));
1867         bot_distance_close = stof(argv(1));
1868
1869         if(bot_distance_far < bot_distance_close){
1870                 bot_distance_far = stof(argv(1));
1871                 bot_distance_close = stof(argv(0));
1872         }
1873
1874         // Initialize list of weapons
1875         bot_weapons_far[0] = -1;
1876         bot_weapons_mid[0] = -1;
1877         bot_weapons_close[0] = -1;
1878
1879         // Parse far distance weapon priorities
1880         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_far")," ");
1881
1882         c = 0;
1883         for(i=0; i < tokens && c < WEP_COUNT; ++i){
1884                 w = stof(argv(i));
1885                 if ( w >= WEP_FIRST && w <= WEP_LAST) {
1886                         bot_weapons_far[c] = w;
1887                         ++c;
1888                 }
1889         }
1890         if(c < WEP_COUNT)
1891                 bot_weapons_far[c] = -1;
1892
1893         // Parse mid distance weapon priorities
1894         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_mid")," ");
1895
1896         c = 0;
1897         for(i=0; i < tokens && c < WEP_COUNT; ++i){
1898                 w = stof(argv(i));
1899                 if ( w >= WEP_FIRST && w <= WEP_LAST) {
1900                         bot_weapons_mid[c] = w;
1901                         ++c;
1902                 }
1903         }
1904         if(c < WEP_COUNT)
1905                 bot_weapons_mid[c] = -1;
1906
1907         // Parse close distance weapon priorities
1908         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_close")," ");
1909
1910         c = 0;
1911         for(i=0; i < tokens && i < WEP_COUNT; ++i){
1912                 w = stof(argv(i));
1913                 if ( w >= WEP_FIRST && w <= WEP_LAST) {
1914                         bot_weapons_close[c] = w;
1915                         ++c;
1916                 }
1917         }
1918         if(c < WEP_COUNT)
1919                 bot_weapons_close[c] = -1;
1920
1921         bot_custom_weapon = TRUE;
1922 };
1923
1924
1925 void bot_endgame()
1926 {
1927         local entity e;
1928         //dprint("bot_endgame\n");
1929         e = bot_list;
1930         while (e)
1931         {
1932                 setcolor(e, e.bot_preferredcolors);
1933                 e = e.nextbot;
1934         }
1935         // if dynamic waypoints are ever implemented, save them here
1936 };
1937
1938 float bot_ignore_bots; // let bots not attack other bots (only works in non-teamplay)
1939 float bot_shouldattack(entity e)
1940 {
1941         if (e.team == self.team)
1942         {
1943                 if (e == self)
1944                         return FALSE;
1945                 if (teams_matter)
1946                 if (e.team != 0)
1947                         return FALSE;
1948         }
1949         if(!teams_matter)
1950                 if(bot_ignore_bots)
1951                         if(clienttype(e) == CLIENTTYPE_BOT)
1952                                 return FALSE;
1953         if (!e.takedamage)
1954                 return FALSE;
1955         if (e.deadflag)
1956                 return FALSE;
1957         if (e.BUTTON_CHAT)
1958                 return FALSE;
1959         if(g_minstagib)
1960         if(e.items & IT_STRENGTH)
1961                 return FALSE;
1962         return TRUE;
1963 };
1964
1965 void bot_lagfunc(float t, float f1, float f2, entity e1, vector v1, vector v2, vector v3, vector v4)
1966 {
1967         if(self.flags & FL_INWATER)
1968         {
1969                 self.bot_aimtarg = world;
1970                 return;
1971         }
1972         self.bot_aimtarg = e1;
1973         self.bot_aimlatency = self.ping; // FIXME?  Shouldn't this be in the lag item?
1974         self.bot_aimselforigin = v1;
1975         self.bot_aimselfvelocity = v2;
1976         self.bot_aimtargorigin = v3;
1977         self.bot_aimtargvelocity = v4;
1978         if(skill <= 0)
1979                 self.bot_canfire = (random() < 0.8);
1980         else if(skill <= 1)
1981                 self.bot_canfire = (random() < 0.9);
1982         else if(skill <= 2)
1983                 self.bot_canfire = (random() < 0.95);
1984         else
1985                 self.bot_canfire = 1;
1986 };
1987
1988 .float bot_nextthink;
1989 .float bot_badaimtime;
1990 .float bot_aimthinktime;
1991 .float bot_prevaimtime;
1992 .vector bot_mouseaim;
1993 .vector bot_badaimoffset;
1994 .vector bot_1st_order_aimfilter;
1995 .vector bot_2nd_order_aimfilter;
1996 .vector bot_3th_order_aimfilter;
1997 .vector bot_4th_order_aimfilter;
1998 .vector bot_5th_order_aimfilter;
1999 .vector bot_olddesiredang;
2000 float bot_aimdir(vector v, float maxfiredeviation)
2001 {
2002         local float dist, delta_t, blend;
2003         local vector desiredang, diffang;
2004
2005         //dprint("aim ", self.netname, ": old:", vtos(self.v_angle));
2006         // make sure v_angle is sane first
2007         self.v_angle_y = self.v_angle_y - floor(self.v_angle_y / 360) * 360;
2008         self.v_angle_z = 0;
2009
2010         // get the desired angles to aim at
2011         //dprint(" at:", vtos(v));
2012         v = normalize(v);
2013         //te_lightning2(world, self.origin + self.view_ofs, self.origin + self.view_ofs + v * 200);
2014         if (time >= self.bot_badaimtime)
2015         {
2016                 self.bot_badaimtime = max(self.bot_badaimtime + 0.3, time);
2017                 self.bot_badaimoffset = randomvec() * bound(0, 5 - 0.5 * (skill+self.bot_offsetskill), 5) * cvar("bot_ai_aimskill_offset");
2018         }
2019         desiredang = vectoangles(v) + self.bot_badaimoffset;
2020         //dprint(" desired:", vtos(desiredang));
2021         if (desiredang_x >= 180)
2022                 desiredang_x = desiredang_x - 360;
2023         desiredang_x = bound(-90, 0 - desiredang_x, 90);
2024         desiredang_z = self.v_angle_z;
2025         //dprint(" / ", vtos(desiredang));
2026
2027         //// pain throws off aim
2028         //if (self.bot_painintensity)
2029         //{
2030         //      // shake from pain
2031         //      desiredang = desiredang + randomvec() * self.bot_painintensity * 0.2;
2032         //}
2033
2034         // calculate turn angles
2035         diffang = (desiredang - self.bot_olddesiredang);
2036         // wrap yaw turn
2037         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2038         if (diffang_y >= 180)
2039                 diffang_y = diffang_y - 360;
2040         self.bot_olddesiredang = desiredang;
2041         //dprint(" diff:", vtos(diffang));
2042
2043         delta_t = time-self.bot_prevaimtime;
2044         self.bot_prevaimtime = time;
2045         // Here we will try to anticipate the comming aiming direction
2046         self.bot_1st_order_aimfilter= self.bot_1st_order_aimfilter
2047                 + (diffang * (1 / delta_t)    - self.bot_1st_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_1st"),1);
2048         self.bot_2nd_order_aimfilter= self.bot_2nd_order_aimfilter
2049                 + (self.bot_1st_order_aimfilter - self.bot_2nd_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_2nd"),1);
2050         self.bot_3th_order_aimfilter= self.bot_3th_order_aimfilter
2051                 + (self.bot_2nd_order_aimfilter - self.bot_3th_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_3th"),1);
2052         self.bot_4th_order_aimfilter= self.bot_4th_order_aimfilter
2053                 + (self.bot_3th_order_aimfilter - self.bot_4th_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_4th"),1);
2054         self.bot_5th_order_aimfilter= self.bot_5th_order_aimfilter
2055                 + (self.bot_4th_order_aimfilter - self.bot_5th_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_5th"),1);
2056
2057         //blend = (bound(0,skill,10)*0.1)*pow(1-bound(0,skill,10)*0.05,2.5)*5.656854249; //Plot formule before changing !
2058         blend = bound(0,skill,10)*0.1;
2059         desiredang = desiredang + blend *
2060         (
2061                   self.bot_1st_order_aimfilter * cvar("bot_ai_aimskill_order_mix_1st")
2062                 + self.bot_2nd_order_aimfilter * cvar("bot_ai_aimskill_order_mix_2nd")
2063                 + self.bot_3th_order_aimfilter * cvar("bot_ai_aimskill_order_mix_3th")
2064                 + self.bot_4th_order_aimfilter * cvar("bot_ai_aimskill_order_mix_4th")
2065                 + self.bot_5th_order_aimfilter * cvar("bot_ai_aimskill_order_mix_5th")
2066         );
2067
2068         // calculate turn angles
2069         diffang = desiredang - self.bot_mouseaim;
2070         // wrap yaw turn
2071         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2072         if (diffang_y >= 180)
2073                 diffang_y = diffang_y - 360;
2074         //dprint(" diff:", vtos(diffang));
2075
2076         if (time >= self.bot_aimthinktime)
2077         {
2078                 self.bot_aimthinktime = max(self.bot_aimthinktime + 0.5 - 0.05*(skill+self.bot_thinkskill), time);
2079                 self.bot_mouseaim = self.bot_mouseaim + diffang * (1-random()*0.1*bound(1,10-skill,10));
2080         }
2081
2082         //self.v_angle = self.v_angle + diffang * bound(0, r * frametime * (skill * 0.5 + 2), 1);
2083
2084         diffang = self.bot_mouseaim - desiredang;
2085         // wrap yaw turn
2086         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2087         if (diffang_y >= 180)
2088                 diffang_y = diffang_y - 360;
2089         desiredang = desiredang + diffang * bound(0,cvar("bot_ai_aimskill_think"),1);
2090
2091         // calculate turn angles
2092         diffang = desiredang - self.v_angle;
2093         // wrap yaw turn
2094         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2095         if (diffang_y >= 180)
2096                 diffang_y = diffang_y - 360;
2097         //dprint(" diff:", vtos(diffang));
2098
2099         // jitter tracking
2100         dist = vlen(diffang);
2101         //diffang = diffang + randomvec() * (dist * 0.05 * (3.5 - bound(0, skill, 3)));
2102
2103         // turn
2104         local float r, fixedrate, blendrate;
2105         fixedrate = cvar("bot_ai_aimskill_fixedrate") / bound(1,dist,1000);
2106         blendrate = cvar("bot_ai_aimskill_blendrate");
2107         r = max(fixedrate, blendrate);
2108         //self.v_angle = self.v_angle + diffang * bound(frametime, r * frametime * (2+skill*skill*0.05-random()*0.05*(10-skill)), 1);
2109         self.v_angle = self.v_angle + diffang * bound(delta_t, r * delta_t * (2+pow(skill+self.bot_mouseskill,3)*0.005-random()), 1);
2110         self.v_angle = self.v_angle * bound(0,cvar("bot_ai_aimskill_mouse"),1) + desiredang * bound(0,(1-cvar("bot_ai_aimskill_mouse")),1);
2111         //self.v_angle = self.v_angle + diffang * bound(0, r * frametime * (skill * 0.5 + 2), 1);
2112         //self.v_angle = self.v_angle + diffang * (1/ blendrate);
2113         self.v_angle_z = 0;
2114         self.v_angle_y = self.v_angle_y - floor(self.v_angle_y / 360) * 360;
2115         //dprint(" turn:", vtos(self.v_angle));
2116
2117         makevectors(self.v_angle);
2118         shotorg = self.origin + self.view_ofs;
2119         shotdir = v_forward;
2120
2121         //dprint(" dir:", vtos(v_forward));
2122         //te_lightning2(world, shotorg, shotorg + shotdir * 100);
2123
2124         // calculate turn angles again
2125         //diffang = desiredang - self.v_angle;
2126         //diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2127         //if (diffang_y >= 180)
2128         //      diffang_y = diffang_y - 360;
2129
2130         //dprint("e ", vtos(diffang), " < ", ftos(maxfiredeviation), "\n");
2131
2132         // decide whether to fire this time
2133         // note the maxfiredeviation is in degrees so this has to convert to radians first
2134         //if ((normalize(v) * shotdir) >= cos(maxfiredeviation * (3.14159265358979323846 / 180)))
2135         if ((normalize(v) * shotdir) >= cos(maxfiredeviation * (3.14159265358979323846 / 180)))
2136         if (vlen(trace_endpos-shotorg) < 500+500*bound(0, skill, 10) || random()*random()>bound(0,skill*0.05,1))
2137                 self.bot_firetimer = time + bound(0.1, 0.5-skill*0.05, 0.5);
2138         //traceline(shotorg,shotorg+shotdir*1000,FALSE,world);
2139         //dprint(ftos(maxfiredeviation),"\n");
2140         //dprint(" diff:", vtos(diffang), "\n");
2141
2142         return self.bot_canfire && (time < self.bot_firetimer);
2143 };
2144
2145 vector bot_shotlead(vector targorigin, vector targvelocity, float shotspeed, float shotdelay)
2146 {
2147         // Try to add code here that predicts gravity effect here, no clue HOW to though ... well not yet atleast...
2148         return targorigin + targvelocity * (shotdelay + vlen(targorigin - shotorg) / shotspeed);
2149 };
2150
2151 float bot_aim(float shotspeed, float shotspeedupward, float maxshottime, float applygravity)
2152 {
2153         local float f, r;
2154         local vector v;
2155         /*
2156         eprint(self);
2157         dprint("bot_aim(", ftos(shotspeed));
2158         dprint(", ", ftos(shotspeedupward));
2159         dprint(", ", ftos(maxshottime));
2160         dprint(", ", ftos(applygravity));
2161         dprint(");\n");
2162         */
2163         if (!shotspeed)
2164         {
2165                 dprint("bot_aim: WARNING: weapon ", W_Name(self.weapon), " shotspeed is zero!\n");
2166                 shotspeed = 1000000;
2167         }
2168         if (!maxshottime)
2169         {
2170                 dprint("bot_aim: WARNING: weapon ", W_Name(self.weapon), " maxshottime is zero!\n");
2171                 maxshottime = 1;
2172         }
2173         makevectors(self.v_angle);
2174         shotorg = self.origin + self.view_ofs;
2175         shotdir = v_forward;
2176         v = bot_shotlead(self.bot_aimtargorigin, self.bot_aimtargvelocity, shotspeed, self.bot_aimlatency);
2177         local float distanceratio;
2178         distanceratio =sqrt(bound(0,skill,10000))*0.3*(vlen(v-shotorg)-100)/cvar("bot_ai_aimskill_firetolerance_distdegrees");
2179         distanceratio = bound(0,distanceratio,1);
2180         r =  (cvar("bot_ai_aimskill_firetolerance_maxdegrees")-cvar("bot_ai_aimskill_firetolerance_mindegrees"))
2181                 * (1-distanceratio) + cvar("bot_ai_aimskill_firetolerance_mindegrees");
2182         if (applygravity && self.bot_aimtarg)
2183         {
2184                 if (!findtrajectorywithleading(shotorg, '0 0 0', '0 0 0', self.bot_aimtarg, shotspeed, shotspeedupward, maxshottime, 0, self))
2185                         return FALSE;
2186                 f = bot_aimdir(findtrajectory_velocity - shotspeedupward * '0 0 1', r);
2187         }
2188         else
2189         {
2190                 f = bot_aimdir(v - shotorg, r);
2191                 //dprint("AIM: ");dprint(vtos(self.bot_aimtargorigin));dprint(" + ");dprint(vtos(self.bot_aimtargvelocity));dprint(" * ");dprint(ftos(self.bot_aimlatency + vlen(self.bot_aimtargorigin - shotorg) / shotspeed));dprint(" = ");dprint(vtos(v));dprint(" : aimdir = ");dprint(vtos(normalize(v - shotorg)));dprint(" : ");dprint(vtos(shotdir));dprint("\n");
2192                 traceline(shotorg, shotorg + shotdir * 10000, FALSE, self);
2193                 if (trace_ent.takedamage)
2194                 if (trace_fraction < 1)
2195                 if (!bot_shouldattack(trace_ent))
2196                         return FALSE;
2197                 traceline(shotorg, self.bot_aimtargorigin, FALSE, self);
2198                 if (trace_fraction < 1)
2199                 if (trace_ent != self.enemy)
2200                 if (!bot_shouldattack(trace_ent))
2201                         return FALSE;
2202         }
2203         if (r > maxshottime * shotspeed)
2204                 return FALSE;
2205         return f;
2206 };
2207
2208 // TODO: move this painintensity code to the player damage code
2209 void bot_think()
2210 {
2211         if (self.bot_nextthink > time)
2212                 return;
2213         self.bot_nextthink = self.bot_nextthink + cvar("bot_ai_thinkinterval");
2214         //if (self.bot_painintensity > 0)
2215         //      self.bot_painintensity = self.bot_painintensity - (skill + 1) * 40 * frametime;
2216
2217         //self.bot_painintensity = self.bot_painintensity + self.bot_oldhealth - self.health;
2218         //self.bot_painintensity = bound(0, self.bot_painintensity, 100);
2219
2220         if(time < game_starttime || ((cvar("g_campaign") && !campaign_bots_may_start)))
2221         {
2222                 self.nextthink = time + 0.5;
2223                 return;
2224         }
2225
2226         if (self.fixangle)
2227         {
2228                 self.v_angle = self.angles;
2229                 self.v_angle_z = 0;
2230                 self.fixangle = FALSE;
2231         }
2232
2233         self.dmg_take = 0;
2234         self.dmg_save = 0;
2235         self.dmg_inflictor = world;
2236
2237         // calculate an aiming latency based on the skill setting
2238         // (simulated network latency + naturally delayed reflexes)
2239         //self.ping = 0.7 - bound(0, 0.05 * skill, 0.5); // moved the reflexes to bot_aimdir (under the name 'think')
2240         // minimum ping 20+10 random
2241         self.ping = bound(0,0.07 - bound(0, skill * 0.005,0.05)+random()*0.01,0.65); // Now holds real lag to server, and higer skill players take a less laggy server
2242         // skill 10 = ping 0.2 (adrenaline)
2243         // skill 0 = ping 0.7 (slightly drunk)
2244
2245         // clear buttons
2246         self.BUTTON_ATCK = 0;
2247         self.button1 = 0;
2248         self.BUTTON_JUMP = 0;
2249         self.BUTTON_ATCK2 = 0;
2250         self.BUTTON_ZOOM = 0;
2251         self.BUTTON_CROUCH = 0;
2252         self.BUTTON_HOOK = 0;
2253         self.BUTTON_INFO = 0;
2254         self.button8 = 0;
2255         self.BUTTON_CHAT = 0;
2256         self.BUTTON_USE = 0;
2257
2258         // if dead, just wait until we can respawn
2259         if (self.deadflag)
2260         {
2261                 if (self.deadflag == DEAD_DEAD)
2262                 {
2263                         self.BUTTON_JUMP = 1; // press jump to respawn
2264                         self.bot_strategytime = 0;
2265                 }
2266                 return;
2267         }
2268
2269         // now call the current bot AI (havocbot for example)
2270         self.bot_ai();
2271 };
2272
2273 entity bot_strategytoken;
2274 float bot_strategytoken_taken;
2275 entity player_list;
2276 .entity nextplayer;
2277 void bot_relinkplayerlist()
2278 {
2279         local entity e;
2280         local entity prevbot;
2281         player_count = 0;
2282         currentbots = 0;
2283         player_list = e = findchainflags(flags, FL_CLIENT);
2284         bot_list = world;
2285         prevbot = world;
2286         while (e)
2287         {
2288                 player_count = player_count + 1;
2289                 e.nextplayer = e.chain;
2290                 if (clienttype(e) == CLIENTTYPE_BOT)
2291                 {
2292                         if (prevbot)
2293                                 prevbot.nextbot = e;
2294                         else
2295                                 bot_list = e;
2296                         prevbot = e;
2297                         currentbots = currentbots + 1;
2298                 }
2299                 e = e.chain;
2300         }
2301         dprint(strcat("relink: ", ftos(currentbots), " bots seen.\n"));
2302         bot_strategytoken = bot_list;
2303         bot_strategytoken_taken = TRUE;
2304 };
2305
2306 void() havocbot_setupbot;
2307 float JoinBestTeam(entity pl, float only_return_best, float forcebestteam);
2308
2309 void bot_clientdisconnect()
2310 {
2311         if (clienttype(self) != CLIENTTYPE_BOT)
2312                 return;
2313         if(self.netname_freeme)
2314                 strunzone(self.netname_freeme);
2315         self.netname_freeme = string_null;
2316 }
2317
2318 void bot_clientconnect()
2319 {
2320         if (clienttype(self) != CLIENTTYPE_BOT)
2321                 return;
2322         self.bot_preferredcolors = self.clientcolors;
2323         self.bot_nextthink = time - random();
2324         self.lag_func = bot_lagfunc;
2325         self.isbot = TRUE;
2326         self.createdtime = self.nextthink;
2327         JoinBestTeam(self, FALSE, TRUE);
2328         havocbot_setupbot();
2329         self.bot_mouseskill=random()-0.5;
2330         self.bot_thinkskill=random()-0.5;
2331         self.bot_predictionskill=random()-0.5;
2332         self.bot_offsetskill=random()-0.5;
2333 };
2334
2335 entity bot_spawn()
2336 {
2337         local entity oldself, bot;
2338         bot = spawnclient();
2339         if (bot)
2340         {
2341                 currentbots = currentbots + 1;
2342                 oldself = self;
2343                 self = bot;
2344                 bot_setnameandstuff();
2345                 ClientConnect();
2346                 PutClientInServer();
2347                 self = oldself;
2348         }
2349         return bot;
2350 };
2351
2352 void CheckAllowedTeams(entity for_whom); void GetTeamCounts(entity other); float c1, c2, c3, c4;
2353 void bot_removefromlargestteam()
2354 {
2355         local float besttime, bestcount, thiscount;
2356         local entity best, head;
2357         CheckAllowedTeams(world);
2358         GetTeamCounts(world);
2359         head = findchainfloat(isbot, TRUE);
2360         if (!head)
2361                 return;
2362         best = head;
2363         besttime = head.createdtime;
2364         bestcount = 0;
2365         while (head)
2366         {
2367                 if(head.team == COLOR_TEAM1)
2368                         thiscount = c1;
2369                 else if(head.team == COLOR_TEAM2)
2370                         thiscount = c2;
2371                 else if(head.team == COLOR_TEAM3)
2372                         thiscount = c3;
2373                 else if(head.team == COLOR_TEAM4)
2374                         thiscount = c4;
2375                 else
2376                         thiscount = 0;
2377                 if (thiscount > bestcount)
2378                 {
2379                         bestcount = thiscount;
2380                         besttime = head.createdtime;
2381                         best = head;
2382                 }
2383                 else if (thiscount == bestcount && besttime < head.createdtime)
2384                 {
2385                         besttime = head.createdtime;
2386                         best = head;
2387                 }
2388                 head = head.chain;
2389         }
2390         currentbots = currentbots - 1;
2391         dropclient(best);
2392 };
2393
2394 void bot_removenewest()
2395 {
2396         local float besttime;
2397         local entity best, head;
2398
2399         if(teams_matter)
2400         {
2401                 bot_removefromlargestteam();
2402                 return;
2403         }
2404
2405         head = findchainfloat(isbot, TRUE);
2406         if (!head)
2407                 return;
2408         best = head;
2409         besttime = head.createdtime;
2410         while (head)
2411         {
2412                 if (besttime < head.createdtime)
2413                 {
2414                         besttime = head.createdtime;
2415                         best = head;
2416                 }
2417                 head = head.chain;
2418         }
2419         currentbots = currentbots - 1;
2420         dropclient(best);
2421 };
2422
2423 float botframe_waypointeditorlightningtime;
2424 void botframe_showwaypointlinks()
2425 {
2426         local entity player, head, w;
2427         if (time < botframe_waypointeditorlightningtime)
2428                 return;
2429         botframe_waypointeditorlightningtime = time + 0.5;
2430         player = find(world, classname, "player");
2431         while (player)
2432         {
2433                 if (!player.isbot)
2434                 if (player.flags & FL_ONGROUND || player.waterlevel > WATERLEVEL_NONE)
2435                 {
2436                         //navigation_testtracewalk = TRUE;
2437                         head = navigation_findnearestwaypoint(player, FALSE);
2438                         //navigation_testtracewalk = FALSE;
2439                         if (head)
2440                         {
2441                                 w = head     ;if (w) te_lightning2(world, w.origin, player.origin);
2442                                 w = head.wp00;if (w) te_lightning2(world, w.origin, head.origin);
2443                                 w = head.wp01;if (w) te_lightning2(world, w.origin, head.origin);
2444                                 w = head.wp02;if (w) te_lightning2(world, w.origin, head.origin);
2445                                 w = head.wp03;if (w) te_lightning2(world, w.origin, head.origin);
2446                                 w = head.wp04;if (w) te_lightning2(world, w.origin, head.origin);
2447                                 w = head.wp05;if (w) te_lightning2(world, w.origin, head.origin);
2448                                 w = head.wp06;if (w) te_lightning2(world, w.origin, head.origin);
2449                                 w = head.wp07;if (w) te_lightning2(world, w.origin, head.origin);
2450                                 w = head.wp08;if (w) te_lightning2(world, w.origin, head.origin);
2451                                 w = head.wp09;if (w) te_lightning2(world, w.origin, head.origin);
2452                                 w = head.wp10;if (w) te_lightning2(world, w.origin, head.origin);
2453                                 w = head.wp11;if (w) te_lightning2(world, w.origin, head.origin);
2454                                 w = head.wp12;if (w) te_lightning2(world, w.origin, head.origin);
2455                                 w = head.wp13;if (w) te_lightning2(world, w.origin, head.origin);
2456                                 w = head.wp14;if (w) te_lightning2(world, w.origin, head.origin);
2457                                 w = head.wp15;if (w) te_lightning2(world, w.origin, head.origin);
2458                                 w = head.wp16;if (w) te_lightning2(world, w.origin, head.origin);
2459                                 w = head.wp17;if (w) te_lightning2(world, w.origin, head.origin);
2460                                 w = head.wp18;if (w) te_lightning2(world, w.origin, head.origin);
2461                                 w = head.wp19;if (w) te_lightning2(world, w.origin, head.origin);
2462                                 w = head.wp20;if (w) te_lightning2(world, w.origin, head.origin);
2463                                 w = head.wp21;if (w) te_lightning2(world, w.origin, head.origin);
2464                                 w = head.wp22;if (w) te_lightning2(world, w.origin, head.origin);
2465                                 w = head.wp23;if (w) te_lightning2(world, w.origin, head.origin);
2466                                 w = head.wp24;if (w) te_lightning2(world, w.origin, head.origin);
2467                                 w = head.wp25;if (w) te_lightning2(world, w.origin, head.origin);
2468                                 w = head.wp26;if (w) te_lightning2(world, w.origin, head.origin);
2469                                 w = head.wp27;if (w) te_lightning2(world, w.origin, head.origin);
2470                                 w = head.wp28;if (w) te_lightning2(world, w.origin, head.origin);
2471                                 w = head.wp29;if (w) te_lightning2(world, w.origin, head.origin);
2472                                 w = head.wp30;if (w) te_lightning2(world, w.origin, head.origin);
2473                                 w = head.wp31;if (w) te_lightning2(world, w.origin, head.origin);
2474                         }
2475                 }
2476                 player = find(player, classname, "player");
2477         }
2478 };
2479
2480 entity botframe_dangerwaypoint;
2481 void botframe_updatedangerousobjects(float maxupdate)
2482 {
2483         local entity head, bot_dodgelist;
2484         local vector m1, m2, v;
2485         local float c, d, danger;
2486         c = 0;
2487         bot_dodgelist = findchainfloat(bot_dodge, TRUE);
2488         botframe_dangerwaypoint = find(botframe_dangerwaypoint, classname, "waypoint");
2489         while (botframe_dangerwaypoint != world)
2490         {
2491                 danger = 0;
2492                 m1 = botframe_dangerwaypoint.mins;
2493                 m2 = botframe_dangerwaypoint.maxs;
2494                 head = bot_dodgelist;
2495                 while (head)
2496                 {
2497                         v = head.origin;
2498                         v_x = bound(m1_x, v_x, m2_x);
2499                         v_y = bound(m1_y, v_y, m2_y);
2500                         v_z = bound(m1_z, v_z, m2_z);
2501                         d = head.bot_dodgerating - vlen(head.origin - v);
2502                         if (d > 0)
2503                         {
2504                                 traceline(head.origin, v, TRUE, world);
2505                                 if (trace_fraction == 1)
2506                                         danger = danger + d;
2507                         }
2508                         head = head.chain;
2509                 }
2510                 botframe_dangerwaypoint.dmg = danger;
2511                 c = c + 1;
2512                 if (c >= maxupdate)
2513                         break;
2514                 botframe_dangerwaypoint = find(botframe_dangerwaypoint, classname, "waypoint");
2515         }
2516 };
2517
2518
2519 float botframe_spawnedwaypoints;
2520 float botframe_nextthink;
2521 float botframe_nextdangertime;
2522
2523 float autoskill_nextthink;
2524 .float totalfrags_lastcheck;
2525 void autoskill(float factor)
2526 {
2527         float bestbot;
2528         float bestplayer;
2529         entity head;
2530
2531         bestbot = -1;
2532         bestplayer = -1;
2533         FOR_EACH_PLAYER(head)
2534         {
2535                 if(clienttype(head) == CLIENTTYPE_REAL)
2536                         bestplayer = max(bestplayer, head.totalfrags - head.totalfrags_lastcheck);
2537                 else
2538                         bestbot = max(bestbot, head.totalfrags - head.totalfrags_lastcheck);
2539         }
2540
2541         dprint("autoskill: best player got ", ftos(bestplayer), ", ");
2542         dprint("best bot got ", ftos(bestbot), "; ");
2543         if(bestbot < 0 || bestplayer < 0)
2544         {
2545                 dprint("not doing anything\n");
2546                 // don't return, let it reset all counters below
2547         }
2548         else if(bestbot <= bestplayer * factor - 2)
2549         {
2550                 if(cvar("skill") < 17)
2551                 {
2552                         dprint("2 frags difference, increasing skill\n");
2553                         cvar_set("skill", ftos(cvar("skill") + 1));
2554                         bprint("^2SKILL UP!^7 Now at level ", ftos(cvar("skill")), "\n");
2555                 }
2556         }
2557         else if(bestbot >= bestplayer * factor + 2)
2558         {
2559                 if(cvar("skill") > 0)
2560                 {
2561                         dprint("2 frags difference, decreasing skill\n");
2562                         cvar_set("skill", ftos(cvar("skill") - 1));
2563                         bprint("^1SKILL DOWN!^7 Now at level ", ftos(cvar("skill")), "\n");
2564                 }
2565         }
2566         else
2567         {
2568                 dprint("not doing anything\n");
2569                 return;
2570                 // don't reset counters, wait for them to accumulate
2571         }
2572
2573         FOR_EACH_PLAYER(head)
2574                 head.totalfrags_lastcheck = head.totalfrags;
2575 }
2576
2577 float bot_cvar_nextthink;
2578 void bot_serverframe()
2579 {
2580         float realplayers, bots, activerealplayers;
2581         entity head;
2582
2583         if (intermission_running)
2584                 return;
2585
2586         if (time < 2)
2587                 return;
2588
2589         if(time > autoskill_nextthink)
2590         {
2591                 float a;
2592                 a = cvar("skill_auto");
2593                 if(a)
2594                         autoskill(a);
2595                 autoskill_nextthink = time + 5;
2596         }
2597
2598         activerealplayers = 0;
2599         realplayers = 0;
2600
2601         FOR_EACH_REALCLIENT(head)
2602         {
2603                 if(head.classname == "player" || g_lms || g_arena)
2604                         ++activerealplayers;
2605                 ++realplayers;
2606         }
2607
2608         // add/remove bots if needed to make sure there are at least
2609         // minplayers+bot_number, or remove all bots if no one is playing
2610         // But don't remove bots immediately on level change, as the real players
2611         // usually haven't rejoined yet
2612         bots_would_leave = FALSE;
2613         if (realplayers || cvar("bot_join_empty") || (currentbots > 0 && time < 5))
2614         {
2615                 float realminplayers, minplayers;
2616                 realminplayers = cvar("minplayers");
2617                 minplayers = max(0, floor(realminplayers));
2618
2619                 float realminbots, minbots;
2620                 if(cvar("bot_vs_human"))
2621                         realminbots = ceil(fabs(cvar("bot_vs_human")) * activerealplayers);
2622                 else
2623                         realminbots = cvar("bot_number");
2624                 minbots = max(0, floor(realminbots));
2625
2626                 bots = min(max(minbots, minplayers - activerealplayers), maxclients - realplayers);
2627                 if(bots > minbots)
2628                         bots_would_leave = TRUE;
2629         }
2630         else
2631         {
2632                 // if there are no players, remove bots
2633                 bots = 0;
2634         }
2635
2636         bot_ignore_bots = cvar("bot_ignore_bots");
2637
2638         // only add one bot per frame to avoid utter chaos
2639         if(time > botframe_nextthink)
2640         {
2641                 //dprint(ftos(bots), " ? ", ftos(currentbots), "\n");
2642                 while (currentbots < bots)
2643                 {
2644                         if (bot_spawn() == world)
2645                         {
2646                                 bprint("Can not add bot, server full.\n");
2647                                 botframe_nextthink = time + 10;
2648                                 break;
2649                         }
2650                 }
2651                 while (currentbots > bots)
2652                         bot_removenewest();
2653         }
2654
2655         if(botframe_spawnedwaypoints)
2656         {
2657                 if(cvar("waypoint_benchmark"))
2658                         localcmd("quit\n");
2659         }
2660
2661         if (currentbots > 0 || cvar("g_waypointeditor"))
2662         if (botframe_spawnedwaypoints)
2663         {
2664                 if(!botframe_cachedwaypointlinks)
2665                 {
2666                         // TODO: Make this check cleaner
2667                         local entity wp = findchain(classname, "waypoint");
2668                         if(time - wp.nextthink > 10)
2669                                 waypoint_save_links();
2670                 }
2671         }
2672         else
2673         {
2674                 botframe_spawnedwaypoints = TRUE;
2675                 waypoint_loadall();
2676                 if(!waypoint_load_links())
2677                         waypoint_schedulerelinkall();
2678         }
2679
2680         if (bot_list)
2681         {
2682                 // cycle the goal token from one bot to the next each frame
2683                 // (this prevents them from all doing spawnfunc_waypoint searches on the same
2684                 //  frame, which causes choppy framerates)
2685                 if (bot_strategytoken_taken)
2686                 {
2687                         bot_strategytoken_taken = FALSE;
2688                         if (bot_strategytoken)
2689                                 bot_strategytoken = bot_strategytoken.nextbot;
2690                         if (!bot_strategytoken)
2691                                 bot_strategytoken = bot_list;
2692                 }
2693
2694                 if (botframe_nextdangertime < time)
2695                 {
2696                         local float interval;
2697                         interval = cvar("bot_ai_dangerdetectioninterval");
2698                         if (botframe_nextdangertime < time - interval * 1.5)
2699                                 botframe_nextdangertime = time;
2700                         botframe_nextdangertime = botframe_nextdangertime + interval;
2701                         botframe_updatedangerousobjects(cvar("bot_ai_dangerdetectionupdates"));
2702                 }
2703         }
2704
2705         if (cvar("g_waypointeditor"))
2706                 botframe_showwaypointlinks();
2707
2708         if(time > bot_cvar_nextthink)
2709         {
2710                 if(currentbots>1)
2711                         bot_custom_weapon_priority_setup();
2712                 bot_cvar_nextthink = time + 5;
2713         }
2714 };